Reverse a number C#

Reverse a number

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Reverse

{

    class Program

    {

        static void Main(string[] args)

        {

            /*Accept the number to be reversed and store in a temp variable. Then modulus of the number

             * by 10 gives the last digit. Add that to a string. Also divide the number by 10 , so that

             * the last number is left out */

            Console.WriteLine("Enter the number to be reversed : ");

            int number = Convert.ToInt32(Console.ReadLine());

            int tempnumber = number;

            string lastdigit = "";

            string final = "";

            while ( tempnumber >= 1)

            {

                lastdigit = (tempnumber % 10).ToString();

                tempnumber = tempnumber / 10;

                final = final + lastdigit;

            }

            Console.WriteLine(final);

            Console.ReadLine();

        }

    }

}

Output :