12423157764 has 96 divisors (see below), whose sum is σ = 30148070400. Its totient is φ = 3979282560.

The previous prime is 12423157757. The next prime is 12423157781. The reversal of 12423157764 is 46775132421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7729849 + ... + 7731455.

It is an arithmetic number, because the mean of its divisors is an integer number (314042400).

Almost surely, 2^12423157764 is an apocalyptic number.

It is an amenable number.

12423157764 is an abundant number, since it is smaller than the sum of its proper divisors (17724912636).

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

12423157764 is a wasteful number, since it uses less digits than its factorization.

12423157764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1911 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The spelling of 12423157764 in words is "twelve billion, four hundred twenty-three million, one hundred fifty-seven thousand, seven hundred sixty-four".