23153415372817 has 2 divisors, whose sum is σ = 23153415372818. Its totient is φ = 23153415372816.

The previous prime is 23153415372749. The next prime is 23153415372847. The reversal of 23153415372817 is 71827351435132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13417012229776 + 9736403143041 = 3662924^2 + 3120321^2 .

It is a cyclic number.

It is not a de Polignac number, because 23153415372817 - 2³⁹ = 22603659558929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23153415372847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576707686408 + 11576707686409.

It is an arithmetic number, because the mean of its divisors is an integer number (11576707686409).

Almost surely, 2^{23153415372817} is an apocalyptic number.

It is an amenable number.

23153415372817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23153415372817 is an equidigital number, since it uses as much as digits as its factorization.

23153415372817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 52.

The spelling of 23153415372817 in words is "twenty-three trillion, one hundred fifty-three billion, four hundred fifteen million, three hundred seventy-two thousand, eight hundred seventeen".