312123304 has 16 divisors (see below), whose sum is σ = 586595520. Its totient is φ = 155697840.

The previous prime is 312123257. The next prime is 312123311. The reversal of 312123304 is 403321213.

312123304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 41814 + ... + 48709.

It is an arithmetic number, because the mean of its divisors is an integer number (36662220).

Almost surely, 2^312123304 is an apocalyptic number.

It is an amenable number.

312123304 is a deficient number, since it is larger than the sum of its proper divisors (274472216).

312123304 is a wasteful number, since it uses less digits than its factorization.

312123304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90960 (or 90956 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 312123304 is about 17667.0117450575. The cubic root of 312123304 is about 678.3316251120.

Adding to 312123304 its reverse (403321213), we get a palindrome (715444517).

The spelling of 312123304 in words is "three hundred twelve million, one hundred twenty-three thousand, three hundred four".