23504716611161 has 2 divisors, whose sum is σ = 23504716611162. Its totient is φ = 23504716611160.

The previous prime is 23504716611149. The next prime is 23504716611193. The reversal of 23504716611161 is 16111661740532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17384263269136 + 6120453342025 = 4169444^2 + 2473955^2 .

It is a cyclic number.

It is not a de Polignac number, because 23504716611161 - 2³⁰ = 23503642869337 is a prime.

It is not a weakly prime, because it can be changed into another prime (23504716611461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752358305580 + 11752358305581.

It is an arithmetic number, because the mean of its divisors is an integer number (11752358305581).

Almost surely, 2^{23504716611161} is an apocalyptic number.

It is an amenable number.

23504716611161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23504716611161 is an equidigital number, since it uses as much as digits as its factorization.

23504716611161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 23504716611161 in words is "twenty-three trillion, five hundred four billion, seven hundred sixteen million, six hundred eleven thousand, one hundred sixty-one".