312323123112 has 192 divisors, whose sum is σ = 1067078577600. Its totient is φ = 74882626560.

The previous prime is 312323123111. The next prime is 312323123113. The reversal of 312323123112 is 211321323213.

It is an interprime number because it is at equal distance from previous prime (312323123111) and next prime (312323123113).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (312323123111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 760437 + ... + 1096772.

It is an arithmetic number, because the mean of its divisors is an integer number (5557700925).

Almost surely, 2^312323123112 is an apocalyptic number.

It is an amenable number.

312323123112 is an abundant number, since it is smaller than the sum of its proper divisors (754755454488).

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

312323123112 is a wasteful number, since it uses less digits than its factorization.

312323123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857256 (or 1857245 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 312323123112 its reverse (211321323213), we get a palindrome (523644446325).

The spelling of 312323123112 in words is "three hundred twelve billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred twelve".