12623435899 has 8 divisors (see below), whose sum is σ = 12676052880. Its totient is φ = 12570861600.

The previous prime is 12623435893. The next prime is 12623435917. The reversal of 12623435899 is 99853432621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12623435899 - 2⁷ = 12623435771 is a prime.

It is a super-2 number, since 2×12623435899² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12623435893) 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, 671569 + ... + 690109.

It is an arithmetic number, because the mean of its divisors is an integer number (1584506610).

Almost surely, 2^12623435899 is an apocalyptic number.

12623435899 is a deficient number, since it is larger than the sum of its proper divisors (52616981).

12623435899 is a wasteful number, since it uses less digits than its factorization.

12623435899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21341.

The product of its digits is 2799360, while the sum is 52.

The spelling of 12623435899 in words is "twelve billion, six hundred twenty-three million, four hundred thirty-five thousand, eight hundred ninety-nine".