23605872140881 has 2 divisors, whose sum is σ = 23605872140882. Its totient is φ = 23605872140880.

The previous prime is 23605872140867. The next prime is 23605872140891. The reversal of 23605872140881 is 18804127850632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16038751435281 + 7567120705600 = 4004841^2 + 2750840^2 .

It is a cyclic number.

It is not a de Polignac number, because 23605872140881 - 2²¹ = 23605870043729 is a prime.

It is a super-2 number, since 2×23605872140881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23605872140891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11802936070440 + 11802936070441.

It is an arithmetic number, because the mean of its divisors is an integer number (11802936070441).

Almost surely, 2^{23605872140881} is an apocalyptic number.

It is an amenable number.

23605872140881 is a deficient number, since it is larger than the sum of its proper divisors (1).

23605872140881 is an equidigital number, since it uses as much as digits as its factorization.

23605872140881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 23605872140881 in words is "twenty-three trillion, six hundred five billion, eight hundred seventy-two million, one hundred forty thousand, eight hundred eighty-one".