232813538 has 16 divisors (see below), whose sum is σ = 370048824. Its totient is φ = 109474560.

The previous prime is 232813523. The next prime is 232813541. The reversal of 232813538 is 835318232.

It can be written as a sum of positive squares in 4 ways, for example, as 223891369 + 8922169 = 14963^2 + 2987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232813498 and 232813507.

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, 74528 + ... + 77588.

Almost surely, 2^232813538 is an apocalyptic number.

232813538 is a deficient number, since it is larger than the sum of its proper divisors (137235286).

232813538 is a wasteful number, since it uses less digits than its factorization.

232813538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317.

The product of its digits is 34560, while the sum is 35.

The square root of 232813538 is about 15258.2285341386. The cubic root of 232813538 is about 615.1807589935.

The spelling of 232813538 in words is "two hundred thirty-two million, eight hundred thirteen thousand, five hundred thirty-eight".