23566304401 has 2 divisors, whose sum is σ = 23566304402. Its totient is φ = 23566304400.

The previous prime is 23566304339. The next prime is 23566304431. The reversal of 23566304401 is 10440366532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21043854225 + 2522450176 = 145065^2 + 50224^2 .

It is a cyclic number.

It is not a de Polignac number, because 23566304401 - 2⁹ = 23566303889 is a prime.

It is not a weakly prime, because it can be changed into another prime (23566304431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11783152200 + 11783152201.

It is an arithmetic number, because the mean of its divisors is an integer number (11783152201).

Almost surely, 2^23566304401 is an apocalyptic number.

It is an amenable number.

23566304401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23566304401 is an equidigital number, since it uses as much as digits as its factorization.

23566304401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 23566304401 in words is "twenty-three billion, five hundred sixty-six million, three hundred four thousand, four hundred one".