23795805513 has 4 divisors (see below), whose sum is σ = 31727740688. Its totient is φ = 15863870340.

The previous prime is 23795805503. The next prime is 23795805529. The reversal of 23795805513 is 31550859732.

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 not a de Polignac number, because 23795805513 - 2⁹ = 23795805001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23795805503) 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 3 ways as a sum of consecutive naturals, for example, 3965967583 + ... + 3965967588.

It is an arithmetic number, because the mean of its divisors is an integer number (7931935172).

Almost surely, 2^23795805513 is an apocalyptic number.

It is an amenable number.

23795805513 is a deficient number, since it is larger than the sum of its proper divisors (7931935175).

23795805513 is an equidigital number, since it uses as much as digits as its factorization.

23795805513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931935174.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 23795805513 in words is "twenty-three billion, seven hundred ninety-five million, eight hundred five thousand, five hundred thirteen".