232155988 has 6 divisors (see below), whose sum is σ = 406272986. Its totient is φ = 116077992.

The previous prime is 232155949. The next prime is 232156021. The reversal of 232155988 is 889551232.

It can be written as a sum of positive squares in only one way, i.e., 209612484 + 22543504 = 14478^2 + 4748^2 .

It is a super-2 number, since 2×232155988² = 107792805528512288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29019495 + ... + 29019502.

Almost surely, 2^232155988 is an apocalyptic number.

It is an amenable number.

232155988 is a deficient number, since it is larger than the sum of its proper divisors (174116998).

232155988 is a wasteful number, since it uses less digits than its factorization.

232155988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58039001 (or 58038999 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 232155988 is about 15236.6659082622. The cubic root of 232155988 is about 614.6010482373.

The spelling of 232155988 in words is "two hundred thirty-two million, one hundred fifty-five thousand, nine hundred eighty-eight".