523021232 has 10 divisors (see below), whose sum is σ = 1013353668. Its totient is φ = 261510608.

The previous prime is 523021231. The next prime is 523021237. The reversal of 523021232 is 232120325.

It is not an unprimeable number, because it can be changed into a prime (523021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16344398 + ... + 16344429.

Almost surely, 2^523021232 is an apocalyptic number.

It is an amenable number.

523021232 is a deficient number, since it is larger than the sum of its proper divisors (490332436).

523021232 is a wasteful number, since it uses less digits than its factorization.

523021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32688835 (or 32688829 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 523021232 is about 22869.6574526161. The cubic root of 523021232 is about 805.6995228684.

Adding to 523021232 its reverse (232120325), we get a palindrome (755141557).

It can be divided in two parts, 5230 and 21232, that added together give a palindrome (26462).

The spelling of 523021232 in words is "five hundred twenty-three million, twenty-one thousand, two hundred thirty-two".