232987913 has 4 divisors (see below), whose sum is σ = 233058000. Its totient is φ = 232917828.

The previous prime is 232987903. The next prime is 232987919. The reversal of 232987913 is 319789232.

It is a happy number.

232987913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232987913 - 2¹⁰ = 232986889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232987919) 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, 29795 + ... + 36792.

It is an arithmetic number, because the mean of its divisors is an integer number (58264500).

Almost surely, 2^232987913 is an apocalyptic number.

It is an amenable number.

232987913 is a deficient number, since it is larger than the sum of its proper divisors (70087).

232987913 is an equidigital number, since it uses as much as digits as its factorization.

232987913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70086.

The product of its digits is 163296, while the sum is 44.

The square root of 232987913 is about 15263.9415944899. The cubic root of 232987913 is about 615.3343087326.

The spelling of 232987913 in words is "two hundred thirty-two million, nine hundred eighty-seven thousand, nine hundred thirteen".