232973091 has 84 divisors (see below), whose sum is σ = 396837696. Its totient is φ = 136468800.

The previous prime is 232973089. The next prime is 232973093. The reversal of 232973091 is 190379232.

It is an interprime number because it is at equal distance from previous prime (232973089) and next prime (232973093).

It is not a de Polignac number, because 232973091 - 2¹ = 232973089 is a prime.

It is a super-2 number, since 2×232973091² = 108552922260188562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232973093) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 3819201 + ... + 3819261.

Almost surely, 2^232973091 is an apocalyptic number.

232973091 is a deficient number, since it is larger than the sum of its proper divisors (163864605).

232973091 is an equidigital number, since it uses as much as digits as its factorization.

232973091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 232973091 is about 15263.4560634215. The cubic root of 232973091 is about 615.3212598746.

It can be divided in two parts, 23297 and 3091, that multiplied together give a palindrome (72011027).

The spelling of 232973091 in words is "two hundred thirty-two million, nine hundred seventy-three thousand, ninety-one".