23626254013 has 4 divisors (see below), whose sum is σ = 23869823740. Its totient is φ = 23382684288.

The previous prime is 23626253993. The next prime is 23626254017. The reversal of 23626254013 is 31045262632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10510965529 + 13115288484 = 102523^2 + 114522^2 .

It is a cyclic number.

It is not a de Polignac number, because 23626254013 - 2⁹ = 23626253501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23626254013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23626254017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121784718 + ... + 121784911.

It is an arithmetic number, because the mean of its divisors is an integer number (5967455935).

Almost surely, 2^23626254013 is an apocalyptic number.

It is an amenable number.

23626254013 is a deficient number, since it is larger than the sum of its proper divisors (243569727).

23626254013 is an equidigital number, since it uses as much as digits as its factorization.

23626254013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243569726.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 23626254013 in words is "twenty-three billion, six hundred twenty-six million, two hundred fifty-four thousand, thirteen".