320233404 has 12 divisors (see below), whose sum is σ = 747211304. Its totient is φ = 106744464.

The previous prime is 320233363. The next prime is 320233447. The reversal of 320233404 is 404332023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13343047 + ... + 13343070.

Almost surely, 2^320233404 is an apocalyptic number.

It is an amenable number.

320233404 is an abundant number, since it is smaller than the sum of its proper divisors (426977900).

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

320233404 is a wasteful number, since it uses less digits than its factorization.

320233404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26686124 (or 26686122 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 320233404 is about 17895.0664709579. The cubic root of 320233404 is about 684.1566362659.

Adding to 320233404 its reverse (404332023), we get a palindrome (724565427).

The spelling of 320233404 in words is "three hundred twenty million, two hundred thirty-three thousand, four hundred four".