23102972269961 has 2 divisors, whose sum is σ = 23102972269962. Its totient is φ = 23102972269960.

The previous prime is 23102972269933. The next prime is 23102972269987. The reversal of 23102972269961 is 16996227920132.

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., 16623559840000 + 6479412429961 = 4077200^2 + 2545469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23102972269961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23102972269961.

It is not a weakly prime, because it can be changed into another prime (23102972269261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551486134980 + 11551486134981.

It is an arithmetic number, because the mean of its divisors is an integer number (11551486134981).

Almost surely, 2^{23102972269961} is an apocalyptic number.

It is an amenable number.

23102972269961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23102972269961 is an equidigital number, since it uses as much as digits as its factorization.

23102972269961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 23102972269961 in words is "twenty-three trillion, one hundred two billion, nine hundred seventy-two million, two hundred sixty-nine thousand, nine hundred sixty-one".