23717894255329 has 2 divisors, whose sum is σ = 23717894255330. Its totient is φ = 23717894255328.

The previous prime is 23717894255281. The next prime is 23717894255347. The reversal of 23717894255329 is 92355249871732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23516903432929 + 200990822400 = 4849423^2 + 448320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23717894255329 is a prime.

It is not a weakly prime, because it can be changed into another prime (23717894255359) 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, 11858947127664 + 11858947127665.

It is an arithmetic number, because the mean of its divisors is an integer number (11858947127665).

Almost surely, 2^{23717894255329} is an apocalyptic number.

It is an amenable number.

23717894255329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23717894255329 is an equidigital number, since it uses as much as digits as its factorization.

23717894255329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 228614400, while the sum is 67.

The spelling of 23717894255329 in words is "twenty-three trillion, seven hundred seventeen billion, eight hundred ninety-four million, two hundred fifty-five thousand, three hundred twenty-nine".