320023104 has 56 divisors (see below), whose sum is σ = 883554240. Its totient is φ = 102034944.

The previous prime is 320023073. The next prime is 320023117. The reversal of 320023104 is 401320023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31819 + ... + 40650.

Almost surely, 2^320023104 is an apocalyptic number.

It is an amenable number.

320023104 is an abundant number, since it is smaller than the sum of its proper divisors (563531136).

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

320023104 is a wasteful number, since it uses less digits than its factorization.

320023104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72507 (or 72497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320023104 is about 17889.1895847744. The cubic root of 320023104 is about 684.0068396430.

Adding to 320023104 its reverse (401320023), we get a palindrome (721343127).

The spelling of 320023104 in words is "three hundred twenty million, twenty-three thousand, one hundred four".