23986728659 has 2 divisors, whose sum is σ = 23986728660. Its totient is φ = 23986728658.

The previous prime is 23986728643. The next prime is 23986728691. The reversal of 23986728659 is 95682768932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23986728659 - 2⁴ = 23986728643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23986728595 and 23986728604.

It is not a weakly prime, because it can be changed into another prime (23986724659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11993364329 + 11993364330.

It is an arithmetic number, because the mean of its divisors is an integer number (11993364330).

Almost surely, 2^23986728659 is an apocalyptic number.

23986728659 is a deficient number, since it is larger than the sum of its proper divisors (1).

23986728659 is an equidigital number, since it uses as much as digits as its factorization.

23986728659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 65.

The spelling of 23986728659 in words is "twenty-three billion, nine hundred eighty-six million, seven hundred twenty-eight thousand, six hundred fifty-nine".