23845715713 has 4 divisors (see below), whose sum is σ = 23897894980. Its totient is φ = 23793536448.

The previous prime is 23845715659. The next prime is 23845715723. The reversal of 23845715713 is 31751754832.

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 16556483584 + 7289232129 = 128672^2 + 85377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23845715713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23845715723) 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, 26088948 + ... + 26089861.

It is an arithmetic number, because the mean of its divisors is an integer number (5974473745).

Almost surely, 2^23845715713 is an apocalyptic number.

It is an amenable number.

23845715713 is a deficient number, since it is larger than the sum of its proper divisors (52179267).

23845715713 is an equidigital number, since it uses as much as digits as its factorization.

23845715713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52179266.

The product of its digits is 705600, while the sum is 46.

The spelling of 23845715713 in words is "twenty-three billion, eight hundred forty-five million, seven hundred fifteen thousand, seven hundred thirteen".