12723113388 has 24 divisors (see below), whose sum is σ = 29691086320. Its totient is φ = 4240491840.

The previous prime is 12723113383. The next prime is 12723113401. The reversal of 12723113388 is 88331132721.

It is a super-2 number, since 2×12723113388² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12723113383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35118 + ... + 163338.

Almost surely, 2^12723113388 is an apocalyptic number.

It is an amenable number.

12723113388 is an abundant number, since it is smaller than the sum of its proper divisors (16967972932).

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

12723113388 is a wasteful number, since it uses less digits than its factorization.

12723113388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136497 (or 136495 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The spelling of 12723113388 in words is "twelve billion, seven hundred twenty-three million, one hundred thirteen thousand, three hundred eighty-eight".