232478564 has 24 divisors (see below), whose sum is σ = 421332408. Its totient is φ = 112170240.

The previous prime is 232478563. The next prime is 232478573. The reversal of 232478564 is 465874232.

It can be written as a sum of positive squares in 4 ways, for example, as 9872164 + 222606400 = 3142^2 + 14920^2 .

It is not an unprimeable number, because it can be changed into a prime (232478563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944 + ... + 21920.

It is an arithmetic number, because the mean of its divisors is an integer number (17555517).

Almost surely, 2^232478564 is an apocalyptic number.

It is an amenable number.

232478564 is a deficient number, since it is larger than the sum of its proper divisors (188853844).

232478564 is a wasteful number, since it uses less digits than its factorization.

232478564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095 (or 18093 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 232478564 is about 15247.2477516436. The cubic root of 232478564 is about 614.8855750279.

The spelling of 232478564 in words is "two hundred thirty-two million, four hundred seventy-eight thousand, five hundred sixty-four".