232520128 has 14 divisors (see below), whose sum is σ = 461407256. Its totient is φ = 116260032.

The previous prime is 232520117. The next prime is 232520129. The reversal of 232520128 is 821025232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232520129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816500 + ... + 1816627.

Almost surely, 2^232520128 is an apocalyptic number.

It is an amenable number.

232520128 is a deficient number, since it is larger than the sum of its proper divisors (228887128).

232520128 is an equidigital number, since it uses as much as digits as its factorization.

232520128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633139 (or 3633129 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 232520128 is about 15248.6106908138. The cubic root of 232520128 is about 614.9222172322.

The spelling of 232520128 in words is "two hundred thirty-two million, five hundred twenty thousand, one hundred twenty-eight".