23145054161 has 2 divisors, whose sum is σ = 23145054162. Its totient is φ = 23145054160.

The previous prime is 23145054083. The next prime is 23145054199. The reversal of 23145054161 is 16145054132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21186549136 + 1958505025 = 145556^2 + 44255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23145054161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23145054461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572527080 + 11572527081.

It is an arithmetic number, because the mean of its divisors is an integer number (11572527081).

Almost surely, 2^23145054161 is an apocalyptic number.

It is an amenable number.

23145054161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145054161 is an equidigital number, since it uses as much as digits as its factorization.

23145054161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 23145054161 in words is "twenty-three billion, one hundred forty-five million, fifty-four thousand, one hundred sixty-one".