232318399 has 2 divisors, whose sum is σ = 232318400. Its totient is φ = 232318398.

The previous prime is 232318369. The next prime is 232318403. The reversal of 232318399 is 993813232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232318399 - 2⁵ = 232318367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232318369) 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, 116159199 + 116159200.

It is an arithmetic number, because the mean of its divisors is an integer number (116159200).

Almost surely, 2^232318399 is an apocalyptic number.

232318399 is a deficient number, since it is larger than the sum of its proper divisors (1).

232318399 is an equidigital number, since it uses as much as digits as its factorization.

232318399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 232318399 is about 15241.9945873235. The cubic root of 232318399 is about 614.7443350908.

The spelling of 232318399 in words is "two hundred thirty-two million, three hundred eighteen thousand, three hundred ninety-nine".