changes.patch

diff --git a/library/src/schemas/number/number.ts b/library/src/schemas/number/number.ts
index fa314d4b..c39b5549 100644
--- a/library/src/schemas/number/number.ts
+++ b/library/src/schemas/number/number.ts
@@ -20,6 +20,8 @@ export interface NumberSchema<TOutput = number>
   pipe: Pipe<number> | undefined;
 }

+let memoized: NumberSchema | undefined;
+
 /**
  * Creates a number schema.
  *
@@ -46,11 +48,16 @@ export function number(
   arg1?: ErrorMessage | Pipe<number>,
   arg2?: Pipe<number>
 ): NumberSchema {
+  const memoizable = arg1 === undefined && arg2 === undefined;
+  if (memoizable && memoized) {
+    return memoized;
+  }
+
   // Get message and pipe argument
   const [message, pipe] = defaultArgs(arg1, arg2);

   // Create and return number schema
-  return {
+  const schema: NumberSchema = {
     type: 'number',
     expects: 'number',
     async: false,
@@ -66,4 +73,8 @@ export function number(
       return schemaIssue(this, number, input, config);
     },
   };
+  if (memoizable) {
+    memoized = schema;
+  }
+  return schema;
 }