232021128 has 32 divisors (see below), whose sum is σ = 580428000. Its totient is φ = 77290368.

The previous prime is 232021123. The next prime is 232021157. The reversal of 232021128 is 821120232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (232021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65548 + ... + 68996.

It is an arithmetic number, because the mean of its divisors is an integer number (18138375).

Almost surely, 2^232021128 is an apocalyptic number.

It is an amenable number.

232021128 is an abundant number, since it is smaller than the sum of its proper divisors (348406872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232021128 is a wasteful number, since it uses less digits than its factorization.

232021128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 232021128 is about 15232.2397565164. The cubic root of 232021128 is about 614.4820174186.

The spelling of 232021128 in words is "two hundred thirty-two million, twenty-one thousand, one hundred twenty-eight".