523681232 has 20 divisors (see below), whose sum is σ = 1028925216. Its totient is φ = 258152160.

The previous prime is 523681231. The next prime is 523681241. The reversal of 523681232 is 232186325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523681231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229358 + ... + 231629.

Almost surely, 2^523681232 is an apocalyptic number.

It is an amenable number.

523681232 is a deficient number, since it is larger than the sum of its proper divisors (505243984).

523681232 is a wasteful number, since it uses less digits than its factorization.

523681232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461066 (or 461060 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 523681232 is about 22884.0825029102. The cubic root of 523681232 is about 806.0382842371.

It can be divided in two parts, 5236 and 81232, that added together give a palindrome (86468).

The spelling of 523681232 in words is "five hundred twenty-three million, six hundred eighty-one thousand, two hundred thirty-two".