323309939 has 2 divisors, whose sum is σ = 323309940. Its totient is φ = 323309938.

The previous prime is 323309929. The next prime is 323309953. The reversal of 323309939 is 939903323.

It is a weak prime.

It is an emirp because it is prime and its reverse (939903323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323309939 - 2⁴ = 323309923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 323309896 and 323309905.

It is not a weakly prime, because it can be changed into another prime (323309929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161654969 + 161654970.

It is an arithmetic number, because the mean of its divisors is an integer number (161654970).

Almost surely, 2^323309939 is an apocalyptic number.

323309939 is a deficient number, since it is larger than the sum of its proper divisors (1).

323309939 is an equidigital number, since it uses as much as digits as its factorization.

323309939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 41.

The square root of 323309939 is about 17980.8214217260. The cubic root of 323309939 is about 686.3405923736.

The spelling of 323309939 in words is "three hundred twenty-three million, three hundred nine thousand, nine hundred thirty-nine".