320499023 has 8 divisors (see below), whose sum is σ = 348505248. Its totient is φ = 292971744.

The previous prime is 320499019. The next prime is 320499029. The reversal of 320499023 is 320994023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320499023 - 2² = 320499019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320499029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118340 + ... + 121017.

It is an arithmetic number, because the mean of its divisors is an integer number (43563156).

Almost surely, 2^320499023 is an apocalyptic number.

320499023 is a deficient number, since it is larger than the sum of its proper divisors (28006225).

320499023 is a wasteful number, since it uses less digits than its factorization.

320499023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239473.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 320499023 is about 17902.4865032766. The cubic root of 320499023 is about 684.3457428969.

The spelling of 320499023 in words is "three hundred twenty million, four hundred ninety-nine thousand, twenty-three".