23100505441961 has 2 divisors, whose sum is σ = 23100505441962. Its totient is φ = 23100505441960.

The previous prime is 23100505441943. The next prime is 23100505441991. The reversal of 23100505441961 is 16914450500132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17648560638361 + 5451944803600 = 4201019^2 + 2334940^2 .

It is a cyclic number.

It is not a de Polignac number, because 23100505441961 - 2¹⁰ = 23100505440937 is a prime.

It is not a weakly prime, because it can be changed into another prime (23100505441921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550252720980 + 11550252720981.

It is an arithmetic number, because the mean of its divisors is an integer number (11550252720981).

Almost surely, 2^{23100505441961} is an apocalyptic number.

It is an amenable number.

23100505441961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23100505441961 is an equidigital number, since it uses as much as digits as its factorization.

23100505441961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 23100505441961 in words is "twenty-three trillion, one hundred billion, five hundred five million, four hundred forty-one thousand, nine hundred sixty-one".