231223204 has 12 divisors (see below), whose sum is σ = 409763200. Its totient is φ = 114148008.

The previous prime is 231223189. The next prime is 231223207. The reversal of 231223204 is 402322132.

231223204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231223207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365544 + ... + 366175.

Almost surely, 2^231223204 is an apocalyptic number.

It is an amenable number.

231223204 is a deficient number, since it is larger than the sum of its proper divisors (178539996).

231223204 is a wasteful number, since it uses less digits than its factorization.

231223204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731802 (or 731800 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 231223204 is about 15206.0252531686. The cubic root of 231223204 is about 613.7768042184.

Adding to 231223204 its reverse (402322132), we get a palindrome (633545336).

The spelling of 231223204 in words is "two hundred thirty-one million, two hundred twenty-three thousand, two hundred four".