232408391 has 2 divisors, whose sum is σ = 232408392. Its totient is φ = 232408390.

The previous prime is 232408381. The next prime is 232408427. The reversal of 232408391 is 193804232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232408391 - 2¹⁴ = 232392007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232408301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116204195 + 116204196.

It is an arithmetic number, because the mean of its divisors is an integer number (116204196).

Almost surely, 2^232408391 is an apocalyptic number.

232408391 is a deficient number, since it is larger than the sum of its proper divisors (1).

232408391 is an equidigital number, since it uses as much as digits as its factorization.

232408391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 232408391 is about 15244.9464085644. The cubic root of 232408391 is about 614.8237016422.

The spelling of 232408391 in words is "two hundred thirty-two million, four hundred eight thousand, three hundred ninety-one".