13320023112 has 96 divisors (see below), whose sum is σ = 41425956000. Its totient is φ = 3823925760.

The previous prime is 13320023111. The next prime is 13320023137. The reversal of 13320023112 is 21132002331.

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 (13320023111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427537 + ... + 457632.

It is an arithmetic number, because the mean of its divisors is an integer number (431520375).

Almost surely, 2^13320023112 is an apocalyptic number.

13320023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13320023112 is an abundant number, since it is smaller than the sum of its proper divisors (28105932888).

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

13320023112 is a wasteful number, since it uses less digits than its factorization.

13320023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885211 (or 885204 counting only the distinct ones).

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

Adding to 13320023112 its reverse (21132002331), we get a palindrome (34452025443).

The spelling of 13320023112 in words is "thirteen billion, three hundred twenty million, twenty-three thousand, one hundred twelve".