312123031233 has 16 divisors (see below), whose sum is σ = 448197938496. Its totient is φ = 192066592320.

The previous prime is 312123031159. The next prime is 312123031277. The reversal of 312123031233 is 332130321213.

It is not a de Polignac number, because 312123031233 - 2⁹ = 312123030721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312123031333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694066 + ... + 1051652.

It is an arithmetic number, because the mean of its divisors is an integer number (28012371156).

Almost surely, 2^312123031233 is an apocalyptic number.

It is an amenable number.

312123031233 is a deficient number, since it is larger than the sum of its proper divisors (136074907263).

312123031233 is a wasteful number, since it uses less digits than its factorization.

312123031233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379984.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312123031233 its reverse (332130321213), we get a palindrome (644253352446).

The spelling of 312123031233 in words is "three hundred twelve billion, one hundred twenty-three million, thirty-one thousand, two hundred thirty-three".