23425216651 has 2 divisors, whose sum is σ = 23425216652. Its totient is φ = 23425216650.

The previous prime is 23425216601. The next prime is 23425216669. The reversal of 23425216651 is 15661252432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23425216651 - 2²⁷ = 23290998923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23425216651.

It is not a weakly prime, because it can be changed into another prime (23425216601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712608325 + 11712608326.

It is an arithmetic number, because the mean of its divisors is an integer number (11712608326).

Almost surely, 2^23425216651 is an apocalyptic number.

23425216651 is a deficient number, since it is larger than the sum of its proper divisors (1).

23425216651 is an equidigital number, since it uses as much as digits as its factorization.

23425216651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The spelling of 23425216651 in words is "twenty-three billion, four hundred twenty-five million, two hundred sixteen thousand, six hundred fifty-one".