12623066536 has 16 divisors (see below), whose sum is σ = 23688308340. Its totient is φ = 6306184320.

The previous prime is 12623066531. The next prime is 12623066567. The reversal of 12623066536 is 63566032621.

It can be written as a sum of positive squares in 2 ways, for example, as 10921504036 + 1701562500 = 104506^2 + 41250^2 .

It is not an unprimeable number, because it can be changed into a prime (12623066531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658581 + ... + 677476.

Almost surely, 2^12623066536 is an apocalyptic number.

It is an amenable number.

12623066536 is a deficient number, since it is larger than the sum of its proper divisors (11065241804).

12623066536 is a wasteful number, since it uses less digits than its factorization.

12623066536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337244 (or 1337240 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 12623066536 in words is "twelve billion, six hundred twenty-three million, sixty-six thousand, five hundred thirty-six".