23326855217 has 2 divisors, whose sum is σ = 23326855218. Its totient is φ = 23326855216.

The previous prime is 23326855177. The next prime is 23326855289. The reversal of 23326855217 is 71255862332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11884488256 + 11442366961 = 109016^2 + 106969^2 .

It is a cyclic number.

It is not a de Polignac number, because 23326855217 - 2¹⁰ = 23326854193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23326855297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11663427608 + 11663427609.

It is an arithmetic number, because the mean of its divisors is an integer number (11663427609).

Almost surely, 2^23326855217 is an apocalyptic number.

It is an amenable number.

23326855217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23326855217 is an equidigital number, since it uses as much as digits as its factorization.

23326855217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The spelling of 23326855217 in words is "twenty-three billion, three hundred twenty-six million, eight hundred fifty-five thousand, two hundred seventeen".