323508623 has 12 divisors (see below), whose sum is σ = 349501080. Its totient is φ = 299302272.

The previous prime is 323508613. The next prime is 323508631. The reversal of 323508623 is 326805323.

It is not a de Polignac number, because 323508623 - 2²⁴ = 306731407 is a prime.

It is a super-2 number, since 2×323508623² = 209315658310712258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323508623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323508613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7565 + ... + 26537.

It is an arithmetic number, because the mean of its divisors is an integer number (29125090).

Almost surely, 2^323508623 is an apocalyptic number.

323508623 is a deficient number, since it is larger than the sum of its proper divisors (25992457).

323508623 is a wasteful number, since it uses less digits than its factorization.

323508623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19066 (or 19049 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 323508623 is about 17986.3454598203. The cubic root of 323508623 is about 686.4811561215.

The spelling of 323508623 in words is "three hundred twenty-three million, five hundred eight thousand, six hundred twenty-three".