23626779923 has 16 divisors (see below), whose sum is σ = 25113680640. Its totient is φ = 22179462624.

The previous prime is 23626779907. The next prime is 23626779929. The reversal of 23626779923 is 32997762632.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23626779923 - 2⁴ = 23626779907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23626779929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817640 + ... + 846042.

It is an arithmetic number, because the mean of its divisors is an integer number (1569605040).

Almost surely, 2^23626779923 is an apocalyptic number.

23626779923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23626779923 is a deficient number, since it is larger than the sum of its proper divisors (1486900717).

23626779923 is a wasteful number, since it uses less digits than its factorization.

23626779923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29098.

The product of its digits is 10287648, while the sum is 56.

The spelling of 23626779923 in words is "twenty-three billion, six hundred twenty-six million, seven hundred seventy-nine thousand, nine hundred twenty-three".