23420776170563 has 2 divisors, whose sum is σ = 23420776170564. Its totient is φ = 23420776170562.

The previous prime is 23420776170541. The next prime is 23420776170619. The reversal of 23420776170563 is 36507167702432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23420776170563 - 2³⁶ = 23352056693827 is a prime.

It is a super-2 number, since 2×23420776170563² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23420776140563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710388085281 + 11710388085282.

It is an arithmetic number, because the mean of its divisors is an integer number (11710388085282).

Almost surely, 2^{23420776170563} is an apocalyptic number.

23420776170563 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420776170563 is an equidigital number, since it uses as much as digits as its factorization.

23420776170563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 23420776170563 in words is "twenty-three trillion, four hundred twenty billion, seven hundred seventy-six million, one hundred seventy thousand, five hundred sixty-three".