23592255581 has 2 divisors, whose sum is σ = 23592255582. Its totient is φ = 23592255580.

The previous prime is 23592255517. The next prime is 23592255611. The reversal of 23592255581 is 18555229532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19329340900 + 4262914681 = 139030^2 + 65291^2 .

It is a cyclic number.

It is not a de Polignac number, because 23592255581 - 2⁶ = 23592255517 is a prime.

It is a super-2 number, since 2×23592255581² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23592225581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11796127790 + 11796127791.

It is an arithmetic number, because the mean of its divisors is an integer number (11796127791).

Almost surely, 2^23592255581 is an apocalyptic number.

It is an amenable number.

23592255581 is a deficient number, since it is larger than the sum of its proper divisors (1).

23592255581 is an equidigital number, since it uses as much as digits as its factorization.

23592255581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080000, while the sum is 47.

The spelling of 23592255581 in words is "twenty-three billion, five hundred ninety-two million, two hundred fifty-five thousand, five hundred eighty-one".