231223304 has 32 divisors (see below), whose sum is σ = 468090840. Its totient is φ = 106444800.

The previous prime is 231223297. The next prime is 231223373. The reversal of 231223304 is 403322132.

It can be written as a sum of positive squares in 4 ways, for example, as 38068900 + 193154404 = 6170^2 + 13898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41144 + ... + 46424.

Almost surely, 2^231223304 is an apocalyptic number.

It is an amenable number.

231223304 is an abundant number, since it is smaller than the sum of its proper divisors (236867536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231223304 is a wasteful number, since it uses less digits than its factorization.

231223304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5717 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 231223304 is about 15206.0285413385. The cubic root of 231223304 is about 613.7768927010.

Adding to 231223304 its reverse (403322132), we get a palindrome (634545436).

The spelling of 231223304 in words is "two hundred thirty-one million, two hundred twenty-three thousand, three hundred four".