23523718913 has 4 divisors (see below), whose sum is σ = 23525251008. Its totient is φ = 23522186820.

The previous prime is 23523718903. The next prime is 23523718927. The reversal of 23523718913 is 31981732532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23523718913 - 2⁸ = 23523718657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23523718903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742781 + ... + 773802.

It is an arithmetic number, because the mean of its divisors is an integer number (5881312752).

Almost surely, 2^23523718913 is an apocalyptic number.

It is an amenable number.

23523718913 is a deficient number, since it is larger than the sum of its proper divisors (1532095).

23523718913 is a wasteful number, since it uses less digits than its factorization.

23523718913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532094.

The product of its digits is 272160, while the sum is 44.

The spelling of 23523718913 in words is "twenty-three billion, five hundred twenty-three million, seven hundred eighteen thousand, nine hundred thirteen".