diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc85bd4f85ffd..93b37317e033b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Added
 - Add fingerprint ingest processor ([#13724](https://github.com/opensearch-project/OpenSearch/pull/13724))
 - [Remote Store] Rate limiter for remote store low priority uploads ([#14374](https://github.com/opensearch-project/OpenSearch/pull/14374/))
+- Updated GET {index}/_settings to return `number_of_routing_shards` ([#14443](https://github.com/opensearch-project/OpenSearch/pull/14443))
 
 ### Dependencies
 - Bump `org.gradle.test-retry` from 1.5.8 to 1.5.9 ([#13442](https://github.com/opensearch-project/OpenSearch/pull/13442))
diff --git a/server/src/main/java/org/opensearch/cluster/metadata/MetadataCreateIndexService.java b/server/src/main/java/org/opensearch/cluster/metadata/MetadataCreateIndexService.java
index 16edec112f123..0fd986af50da0 100644
--- a/server/src/main/java/org/opensearch/cluster/metadata/MetadataCreateIndexService.java
+++ b/server/src/main/java/org/opensearch/cluster/metadata/MetadataCreateIndexService.java
@@ -557,7 +557,7 @@ IndexMetadata buildAndValidateTemporaryIndexMetadata(
 
         // remove the setting it's temporary and is only relevant once we create the index
         final Settings.Builder settingsBuilder = Settings.builder().put(aggregatedIndexSettings);
-        settingsBuilder.remove(IndexMetadata.INDEX_NUMBER_OF_ROUTING_SHARDS_SETTING.getKey());
+
         final Settings indexSettings = settingsBuilder.build();
 
         final IndexMetadata.Builder tmpImdBuilder = IndexMetadata.builder(request.index());
diff --git a/server/src/test/java/org/opensearch/cluster/metadata/MetadataCreateIndexServiceTests.java b/server/src/test/java/org/opensearch/cluster/metadata/MetadataCreateIndexServiceTests.java
index 0d86cfcca389c..1d828a4325b8b 100644
--- a/server/src/test/java/org/opensearch/cluster/metadata/MetadataCreateIndexServiceTests.java
+++ b/server/src/test/java/org/opensearch/cluster/metadata/MetadataCreateIndexServiceTests.java
@@ -1742,6 +1742,43 @@ public void testRemoteCustomData() {
         );
     }
 
+    public void testBuildAndValidateTemporaryIndexMetadata() {
+        int routingShards = 3;
+        withTemporaryClusterService(((clusterService, threadPool) -> {
+            MetadataCreateIndexService checkerService = new MetadataCreateIndexService(
+                Settings.EMPTY,
+                clusterService,
+                indicesServices,
+                null,
+                null,
+                createTestShardLimitService(randomIntBetween(1, 1000), false, clusterService),
+                null,
+                null,
+                threadPool,
+                null,
+                new SystemIndices(Collections.emptyMap()),
+                false,
+                new AwarenessReplicaBalance(Settings.EMPTY, clusterService.getClusterSettings()),
+                DefaultRemoteStoreSettings.INSTANCE,
+                repositoriesServiceSupplier
+            );
+
+            Settings indexSettings = Settings.builder()
+                .put("index.version.created", Version.CURRENT)
+                .put(INDEX_NUMBER_OF_SHARDS_SETTING.getKey(), 3)
+                .put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 1)
+                .put(IndexMetadata.INDEX_NUMBER_OF_ROUTING_SHARDS_SETTING.getKey(), routingShards)
+                .build();
+
+            CreateIndexClusterStateUpdateRequest request = new CreateIndexClusterStateUpdateRequest("create index", "test", "test");
+
+            IndexMetadata indexMetadata = checkerService.buildAndValidateTemporaryIndexMetadata(indexSettings, request, routingShards);
+
+            assertEquals(indexMetadata.getSettings(), indexSettings);
+            assertEquals(indexMetadata.getRoutingNumShards(), routingShards);
+        }));
+    }
+
     private IndexMetadata testRemoteCustomData(boolean remoteStoreEnabled, PathType pathType) {
         Settings.Builder settingsBuilder = Settings.builder();
         if (remoteStoreEnabled) {