312223023404 has 12 divisors (see below), whose sum is σ = 561157596384. Its totient is φ = 151892281584.

The previous prime is 312223023401. The next prime is 312223023419. The reversal of 312223023404 is 404320322213.

It is not an unprimeable number, because it can be changed into a prime (312223023401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054807364 + ... + 1054807659.

It is an arithmetic number, because the mean of its divisors is an integer number (46763133032).

Almost surely, 2^312223023404 is an apocalyptic number.

It is an amenable number.

312223023404 is a deficient number, since it is larger than the sum of its proper divisors (248934572980).

312223023404 is a wasteful number, since it uses less digits than its factorization.

312223023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109615064 (or 2109615062 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 312223023404 its reverse (404320322213), we get a palindrome (716543345617).

The spelling of 312223023404 in words is "three hundred twelve billion, two hundred twenty-three million, twenty-three thousand, four hundred four".