232156089 has 24 divisors (see below), whose sum is σ = 381730752. Its totient is φ = 134581920.

The previous prime is 232156073. The next prime is 232156109. The reversal of 232156089 is 980651232.

232156089 is a `hidden beast` number, since 2 + 32 + 15 + 608 + 9 = 666.

It is not a de Polignac number, because 232156089 - 2⁴ = 232156073 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (232156069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48702 + ... + 53255.

It is an arithmetic number, because the mean of its divisors is an integer number (15905448).

Almost surely, 2^232156089 is an apocalyptic number.

It is an amenable number.

232156089 is a deficient number, since it is larger than the sum of its proper divisors (149574663).

232156089 is a wasteful number, since it uses less digits than its factorization.

232156089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101997 (or 101994 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 232156089 is about 15236.6692226352. The cubic root of 232156089 is about 614.6011373652.

The spelling of 232156089 in words is "two hundred thirty-two million, one hundred fifty-six thousand, eighty-nine".