232991568 has 60 divisors (see below), whose sum is σ = 674549460. Its totient is φ = 74984448.

The previous prime is 232991557. The next prime is 232991621. The reversal of 232991568 is 865199232.

232991568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61591104 + 171400464 = 7848^2 + 13092^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23721 + ... + 32072.

It is an arithmetic number, because the mean of its divisors is an integer number (11242491).

Almost surely, 2^232991568 is an apocalyptic number.

It is an amenable number.

232991568 is an abundant number, since it is smaller than the sum of its proper divisors (441557892).

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

232991568 is a wasteful number, since it uses less digits than its factorization.

232991568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55836 (or 55827 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 232991568 is about 15264.0613206315. The cubic root of 232991568 is about 615.3375264033.

The spelling of 232991568 in words is "two hundred thirty-two million, nine hundred ninety-one thousand, five hundred sixty-eight".