232658431 has 2 divisors, whose sum is σ = 232658432. Its totient is φ = 232658430.

The previous prime is 232658411. The next prime is 232658471. The reversal of 232658431 is 134856232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232658431 - 2¹⁵ = 232625663 is a prime.

It is a super-2 number, since 2×232658431² = 108259891030763522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232658411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116329215 + 116329216.

It is an arithmetic number, because the mean of its divisors is an integer number (116329216).

Almost surely, 2^232658431 is an apocalyptic number.

232658431 is a deficient number, since it is larger than the sum of its proper divisors (1).

232658431 is an equidigital number, since it uses as much as digits as its factorization.

232658431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 232658431 is about 15253.1449544020. The cubic root of 232658431 is about 615.0441116706.

The spelling of 232658431 in words is "two hundred thirty-two million, six hundred fifty-eight thousand, four hundred thirty-one".