22723417866257 has 2 divisors, whose sum is σ = 22723417866258. Its totient is φ = 22723417866256.

The previous prime is 22723417866223. The next prime is 22723417866263. The reversal of 22723417866257 is 75266871432722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16548371784961 + 6175046081296 = 4067969^2 + 2484964^2 .

It is a cyclic number.

It is not a de Polignac number, because 22723417866257 - 2¹⁰ = 22723417865233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22723417866257.

It is not a weakly prime, because it can be changed into another prime (22723417866557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361708933128 + 11361708933129.

It is an arithmetic number, because the mean of its divisors is an integer number (11361708933129).

Almost surely, 2^{22723417866257} is an apocalyptic number.

It is an amenable number.

22723417866257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22723417866257 is an equidigital number, since it uses as much as digits as its factorization.

22723417866257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94832640, while the sum is 62.

The spelling of 22723417866257 in words is "twenty-two trillion, seven hundred twenty-three billion, four hundred seventeen million, eight hundred sixty-six thousand, two hundred fifty-seven".