I am 5 digit greater 60000, but less than 70000.My ones digit is less than my 10000 digit on my other digit are the same.The sum of digit is 23.What is my number

5 digit greater 60000

6xxxx

My ones digit is less than my 10000 digit
6xxx{0,1,2,3,4,5}

on my other digit are the same
This is where I get lost.