10323111312 has 80 divisors (see below), whose sum is σ = 31190712000. Its totient is φ = 3259927296.

The previous prime is 10323111311. The next prime is 10323111361. The reversal of 10323111312 is 21311132301.

10323111312 is a `hidden beast` number, since 10 + 32 + 311 + 1 + 312 = 666.

It is a super-2 number, since 2×10323111312² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10323111311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620637 + ... + 637052.

It is an arithmetic number, because the mean of its divisors is an integer number (389883900).

Almost surely, 2^10323111312 is an apocalyptic number.

10323111312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10323111312 is an abundant number, since it is smaller than the sum of its proper divisors (20867600688).

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

10323111312 is a wasteful number, since it uses less digits than its factorization.

10323111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257725 (or 1257713 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10323111312 its reverse (21311132301), we get a palindrome (31634243613).

The spelling of 10323111312 in words is "ten billion, three hundred twenty-three million, one hundred eleven thousand, three hundred twelve".