232297987 has 4 divisors (see below), whose sum is σ = 232375176. Its totient is φ = 232220800.

The previous prime is 232297969. The next prime is 232298021. The reversal of 232297987 is 789792232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232297987 - 2²³ = 223909379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232297987.

It is not an unprimeable number, because it can be changed into a prime (232297937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33889 + ... + 40162.

It is an arithmetic number, because the mean of its divisors is an integer number (58093794).

Almost surely, 2^232297987 is an apocalyptic number.

232297987 is a deficient number, since it is larger than the sum of its proper divisors (77189).

232297987 is an equidigital number, since it uses as much as digits as its factorization.

232297987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77188.

The product of its digits is 762048, while the sum is 49.

The square root of 232297987 is about 15241.3249752113. The cubic root of 232297987 is about 614.7263303052.

The spelling of 232297987 in words is "two hundred thirty-two million, two hundred ninety-seven thousand, nine hundred eighty-seven".