Add palindrome number algorithm

maths/palindrome_number.py

@@ -0,0 +1,30 @@
+"""
+Check whether a number is a palindrome.
+
+A palindrome number reads the same forward and backward.
+Example:
+    121 -> True
+    123 -> False
+"""
+
+
+def is_palindrome(number: int) -> bool:
+    """
+    Check if a number is a palindrome.
+
+    :param number: Integer to check
+    :return: True if palindrome, False otherwise
+    """
+    original = number
+    reverse = 0
+
+    while number > 0:
+        reverse = reverse * 10 + number % 10
+        number //= 10
+
+    return original == reverse
+
+
+if __name__ == "__main__":
+    print(is_palindrome(121))  # True
+    print(is_palindrome(123))  # False