323315993 has 24 divisors (see below), whose sum is σ = 437406144. Its totient is φ = 232547040.

The previous prime is 323315987. The next prime is 323315999. The reversal of 323315993 is 399513323.

It is an interprime number because it is at equal distance from previous prime (323315987) and next prime (323315999).

It is not a de Polignac number, because 323315993 - 2¹⁰ = 323314969 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (323315999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3671 + ... + 25692.

It is an arithmetic number, because the mean of its divisors is an integer number (18225256).

Almost surely, 2^323315993 is an apocalyptic number.

It is an amenable number.

323315993 is a deficient number, since it is larger than the sum of its proper divisors (114090151).

323315993 is a wasteful number, since it uses less digits than its factorization.

323315993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29405 (or 29394 counting only the distinct ones).

The product of its digits is 65610, while the sum is 38.

The square root of 323315993 is about 17980.9897669733. The cubic root of 323315993 is about 686.3448762712.

The spelling of 323315993 in words is "three hundred twenty-three million, three hundred fifteen thousand, nine hundred ninety-three".