12623969405 has 8 divisors (see below), whose sum is σ = 15807405312. Its totient is φ = 9660080848.

The previous prime is 12623969339. The next prime is 12623969419. The reversal of 12623969405 is 50496932621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12623969405 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12623969405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54886709 + ... + 54886938.

It is an arithmetic number, because the mean of its divisors is an integer number (1975925664).

Almost surely, 2^12623969405 is an apocalyptic number.

It is an amenable number.

12623969405 is a deficient number, since it is larger than the sum of its proper divisors (3183435907).

12623969405 is a wasteful number, since it uses less digits than its factorization.

12623969405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109773675.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 12623969405 in words is "twelve billion, six hundred twenty-three million, nine hundred sixty-nine thousand, four hundred five".