231663704 has 16 divisors (see below), whose sum is σ = 444471720. Its totient is φ = 113137920.

The previous prime is 231663701. The next prime is 231663721. The reversal of 231663704 is 407366132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231663701) 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, 336377 + ... + 337064.

Almost surely, 2^231663704 is an apocalyptic number.

It is an amenable number.

231663704 is a deficient number, since it is larger than the sum of its proper divisors (212808016).

231663704 is a wasteful number, since it uses less digits than its factorization.

231663704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673490 (or 673486 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 231663704 is about 15220.5027512234. The cubic root of 231663704 is about 614.1663227547.

The spelling of 231663704 in words is "two hundred thirty-one million, six hundred sixty-three thousand, seven hundred four".