232430431 has 2 divisors, whose sum is σ = 232430432. Its totient is φ = 232430430.

The previous prime is 232430417. The next prime is 232430449. The reversal of 232430431 is 134034232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232430431 - 2⁹ = 232429919 is a prime.

It is a super-2 number, since 2×232430431² = 108047810509691522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232400431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116215215 + 116215216.

It is an arithmetic number, because the mean of its divisors is an integer number (116215216).

Almost surely, 2^232430431 is an apocalyptic number.

232430431 is a deficient number, since it is larger than the sum of its proper divisors (1).

232430431 is an equidigital number, since it uses as much as digits as its factorization.

232430431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 232430431 is about 15245.6692539226. The cubic root of 232430431 is about 614.8431362331.

Adding to 232430431 its reverse (134034232), we get a palindrome (366464663).

The spelling of 232430431 in words is "two hundred thirty-two million, four hundred thirty thousand, four hundred thirty-one".