320623104 has 40 divisors (see below), whose sum is σ = 854164080. Its totient is φ = 106873856.

The previous prime is 320623097. The next prime is 320623139. The reversal of 320623104 is 401326023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102834 + ... + 105905.

It is an arithmetic number, because the mean of its divisors is an integer number (21354102).

Almost surely, 2^320623104 is an apocalyptic number.

It is an amenable number.

320623104 is an abundant number, since it is smaller than the sum of its proper divisors (533540976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320623104 is an equidigital number, since it uses as much as digits as its factorization.

320623104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208760 (or 208744 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 320623104 is about 17905.9516362577. The cubic root of 320623104 is about 684.4340461805.

Adding to 320623104 its reverse (401326023), we get a palindrome (721949127).

The spelling of 320623104 in words is "three hundred twenty million, six hundred twenty-three thousand, one hundred four".