12623643135 has 24 divisors (see below), whose sum is σ = 22414667184. Its totient is φ = 6568398720.

The previous prime is 12623643107. The next prime is 12623643181. The reversal of 12623643135 is 53134632621.

12623643135 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 3 + 643 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 12623643135 - 2⁵ = 12623643103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12623643135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3419197 + ... + 3422886.

It is an arithmetic number, because the mean of its divisors is an integer number (933944466).

Almost surely, 2^12623643135 is an apocalyptic number.

12623643135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12623643135 is a deficient number, since it is larger than the sum of its proper divisors (9791024049).

12623643135 is a wasteful number, since it uses less digits than its factorization.

12623643135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842135 (or 6842132 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 12623643135 in words is "twelve billion, six hundred twenty-three million, six hundred forty-three thousand, one hundred thirty-five".