323991199323 has 32 divisors (see below), whose sum is σ = 523683014400. Its totient is φ = 196335475200.

The previous prime is 323991199289. The next prime is 323991199333.

323991199323 is a `hidden beast` number, since 32 + 399 + 1 + 199 + 32 + 3 = 666.

323991199323 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 323991199323 - 2⁸ = 323991199067 is a prime.

It is a super-3 number, since 3×323991199323³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323991199323.

It is not an unprimeable number, because it can be changed into a prime (323991199333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2697688 + ... + 2815226.

It is an arithmetic number, because the mean of its divisors is an integer number (16365094200).

Almost surely, 2^323991199323 is an apocalyptic number.

323991199323 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

323991199323 is a deficient number, since it is larger than the sum of its proper divisors (199691815077).

323991199323 is a wasteful number, since it uses less digits than its factorization.

323991199323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126840 (or 126834 counting only the distinct ones).

The product of its digits is 2125764, while the sum is 54.

The spelling of 323991199323 in words is "three hundred twenty-three billion, nine hundred ninety-one million, one hundred ninety-nine thousand, three hundred twenty-three".