323340239 has 2 divisors, whose sum is σ = 323340240. Its totient is φ = 323340238.

The previous prime is 323340203. The next prime is 323340247. The reversal of 323340239 is 932043323.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323340239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323340539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161670119 + 161670120.

It is an arithmetic number, because the mean of its divisors is an integer number (161670120).

Almost surely, 2^323340239 is an apocalyptic number.

323340239 is a deficient number, since it is larger than the sum of its proper divisors (1).

323340239 is an equidigital number, since it uses as much as digits as its factorization.

323340239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 323340239 is about 17981.6639663853. The cubic root of 323340239 is about 686.3620325541.

The spelling of 323340239 in words is "three hundred twenty-three million, three hundred forty thousand, two hundred thirty-nine".