232137432 has 24 divisors (see below), whose sum is σ = 628705740. Its totient is φ = 77379120.

The previous prime is 232137419. The next prime is 232137439. The reversal of 232137432 is 234731232.

232137432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 232137396 and 232137405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232137439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611994 + ... + 1612137.

Almost surely, 2^232137432 is an apocalyptic number.

It is an amenable number.

232137432 is an abundant number, since it is smaller than the sum of its proper divisors (396568308).

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

232137432 is a wasteful number, since it uses less digits than its factorization.

232137432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224143 (or 3224136 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 232137432 is about 15236.0569702269. The cubic root of 232137432 is about 614.5846729817.

Adding to 232137432 its reverse (234731232), we get a palindrome (466868664).

The spelling of 232137432 in words is "two hundred thirty-two million, one hundred thirty-seven thousand, four hundred thirty-two".