232856931 has 16 divisors (see below), whose sum is σ = 319313664. Its totient is φ = 150874464.

The previous prime is 232856909. The next prime is 232856963. The reversal of 232856931 is 139658232.

It is not a de Polignac number, because 232856931 - 2¹³ = 232848739 is a prime.

It is a super-2 number, since 2×232856931² = 108444700629477522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232856931.

It is not an unprimeable number, because it can be changed into a prime (232856971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10170 + ... + 23856.

It is an arithmetic number, because the mean of its divisors is an integer number (19957104).

Almost surely, 2^232856931 is an apocalyptic number.

232856931 is a deficient number, since it is larger than the sum of its proper divisors (86456733).

232856931 is a wasteful number, since it uses less digits than its factorization.

232856931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850.

The product of its digits is 77760, while the sum is 39.

The square root of 232856931 is about 15259.6504219461. The cubic root of 232856931 is about 615.2189768173.

The spelling of 232856931 in words is "two hundred thirty-two million, eight hundred fifty-six thousand, nine hundred thirty-one".