232215312 has 60 divisors (see below), whose sum is σ = 697837776. Its totient is φ = 66346560.

The previous prime is 232215311. The next prime is 232215341. The reversal of 232215312 is 213512232.

232215312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×232215312² = 107847902254514688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (232215311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47014 + ... + 51717.

Almost surely, 2^232215312 is an apocalyptic number.

It is an amenable number.

232215312 is an abundant number, since it is smaller than the sum of its proper divisors (465622464).

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

232215312 is a wasteful number, since it uses less digits than its factorization.

232215312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98756 (or 98743 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 232215312 is about 15238.6125352671. The cubic root of 232215312 is about 614.6533944891.

Adding to 232215312 its reverse (213512232), we get a palindrome (445727544).

The spelling of 232215312 in words is "two hundred thirty-two million, two hundred fifteen thousand, three hundred twelve".