12623579499 has 16 divisors (see below), whose sum is σ = 17826012800. Its totient is φ = 7923868416.

The previous prime is 12623579491. The next prime is 12623579513. The reversal of 12623579499 is 99497532621.

12623579499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12623579499 - 2³ = 12623579491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (12623579491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670054 + ... + 688635.

It is an arithmetic number, because the mean of its divisors is an integer number (1114125800).

Almost surely, 2^12623579499 is an apocalyptic number.

12623579499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12623579499 is a deficient number, since it is larger than the sum of its proper divisors (5202433301).

12623579499 is a wasteful number, since it uses less digits than its factorization.

12623579499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358874.

The product of its digits is 7348320, while the sum is 57.

The spelling of 12623579499 in words is "twelve billion, six hundred twenty-three million, five hundred seventy-nine thousand, four hundred ninety-nine".