12311320023000 has 192 divisors, whose sum is σ = 42736918554720. Its totient is φ = 3194288352000.

The previous prime is 12311320022957. The next prime is 12311320023031. The reversal of 12311320023000 is 32002311321.

12311320023000 is a `hidden beast` number, since 1 + 2 + 311 + 320 + 0 + 2 + 30 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18152466 + ... + 18818465.

Almost surely, 2^{12311320023000} is an apocalyptic number.

12311320023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12311320023000 is an abundant number, since it is smaller than the sum of its proper divisors (30425598531720).

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

12311320023000 is a wasteful number, since it uses less digits than its factorization.

12311320023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36970995 (or 36970978 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12311320023000 its reverse (32002311321), we get a palindrome (12343322334321).

The spelling of 12311320023000 in words is "twelve trillion, three hundred eleven billion, three hundred twenty million, twenty-three thousand".