320455323 has 6 divisors (see below), whose sum is σ = 462879924. Its totient is φ = 213636876.

The previous prime is 320455319. The next prime is 320455361. The reversal of 320455323 is 323554023.

It is not a de Polignac number, because 320455323 - 2² = 320455319 is a prime.

It is a super-2 number, since 2×320455323² = 205383228078068658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320495323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17803065 + ... + 17803082.

It is an arithmetic number, because the mean of its divisors is an integer number (77146654).

Almost surely, 2^320455323 is an apocalyptic number.

320455323 is a deficient number, since it is larger than the sum of its proper divisors (142424601).

320455323 is a wasteful number, since it uses less digits than its factorization.

320455323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35606153 (or 35606150 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 320455323 is about 17901.2659608196. The cubic root of 320455323 is about 684.3146379989.

The spelling of 320455323 in words is "three hundred twenty million, four hundred fifty-five thousand, three hundred twenty-three".