23595724861 has 2 divisors, whose sum is σ = 23595724862. Its totient is φ = 23595724860.

The previous prime is 23595724849. The next prime is 23595724891. The reversal of 23595724861 is 16842759532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16485019236 + 7110705625 = 128394^2 + 84325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23595724861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23595724799 and 23595724808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23595724891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11797862430 + 11797862431.

It is an arithmetic number, because the mean of its divisors is an integer number (11797862431).

Almost surely, 2^23595724861 is an apocalyptic number.

It is an amenable number.

23595724861 is a deficient number, since it is larger than the sum of its proper divisors (1).

23595724861 is an equidigital number, since it uses as much as digits as its factorization.

23595724861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The spelling of 23595724861 in words is "twenty-three billion, five hundred ninety-five million, seven hundred twenty-four thousand, eight hundred sixty-one".