23339616622561 has 2 divisors, whose sum is σ = 23339616622562. Its totient is φ = 23339616622560.

The previous prime is 23339616622547. The next prime is 23339616622573. The reversal of 23339616622561 is 16522661693332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16303626950625 + 7035989671936 = 4037775^2 + 2652544^2 .

It is a cyclic number.

It is not a de Polignac number, because 23339616622561 - 2²⁹ = 23339079751649 is a prime.

It is not a weakly prime, because it can be changed into another prime (23339616622591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11669808311280 + 11669808311281.

It is an arithmetic number, because the mean of its divisors is an integer number (11669808311281).

Almost surely, 2^{23339616622561} is an apocalyptic number.

It is an amenable number.

23339616622561 is a deficient number, since it is larger than the sum of its proper divisors (1).

23339616622561 is an equidigital number, since it uses as much as digits as its factorization.

23339616622561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 55.

The spelling of 23339616622561 in words is "twenty-three trillion, three hundred thirty-nine billion, six hundred sixteen million, six hundred twenty-two thousand, five hundred sixty-one".