Adding to 4223 its reverse (3224), we get a palindrome (7447).
Subtracting from 4223 its reverse (3224), we obtain a palindrome (999).
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Kynea number, being equal to (26 + 1)2 - 2.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a congruent number.
24223 is an apocalyptic number.
4223 is a wasteful number, since it uses less digits than its factorization.
4223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144.
The square root of 4223 is about 64.9846135635. The cubic root of 4223 is about 16.1636843379.
The spelling of 4223 in words is "four thousand, two hundred twenty-three", and thus it is an iban number.