23456605973161 has 2 divisors, whose sum is σ = 23456605973162. Its totient is φ = 23456605973160.

The previous prime is 23456605973153. The next prime is 23456605973173. The reversal of 23456605973161 is 16137950665432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18938511385600 + 4518094587561 = 4351840^2 + 2125581^2 .

It is a cyclic number.

It is not a de Polignac number, because 23456605973161 - 2³ = 23456605973153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23456605973096 and 23456605973105.

It is not a weakly prime, because it can be changed into another prime (23456605973131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11728302986580 + 11728302986581.

It is an arithmetic number, because the mean of its divisors is an integer number (11728302986581).

Almost surely, 2^{23456605973161} is an apocalyptic number.

It is an amenable number.

23456605973161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23456605973161 is an equidigital number, since it uses as much as digits as its factorization.

23456605973161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 23456605973161 in words is "twenty-three trillion, four hundred fifty-six billion, six hundred five million, nine hundred seventy-three thousand, one hundred sixty-one".