323390055 has 16 divisors (see below), whose sum is σ = 523975680. Its totient is φ = 170290848.

The previous prime is 323390017. The next prime is 323390063. The reversal of 323390055 is 550093323.

It is not a de Polignac number, because 323390055 - 2¹⁴ = 323373671 is a prime.

It is a super-2 number, since 2×323390055² = 209162255345806050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135267 + ... + 137636.

It is an arithmetic number, because the mean of its divisors is an integer number (32748480).

Almost surely, 2^323390055 is an apocalyptic number.

323390055 is a deficient number, since it is larger than the sum of its proper divisors (200585625).

323390055 is a wasteful number, since it uses less digits than its factorization.

323390055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272990.

The product of its (nonzero) digits is 12150, while the sum is 30.

The square root of 323390055 is about 17983.0491018626. The cubic root of 323390055 is about 686.3972792809.

The spelling of 323390055 in words is "three hundred twenty-three million, three hundred ninety thousand, fifty-five".