23110610632721 has 4 divisors (see below), whose sum is σ = 23115493504692. Its totient is φ = 23105727760752.

The previous prime is 23110610632693. The next prime is 23110610632723. The reversal of 23110610632721 is 12723601601132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8824939662400 + 14285670970321 = 2970680^2 + 3779639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23110610632721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23110610632723) 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 in 3 ways as a sum of consecutive naturals, for example, 2441428886 + ... + 2441438351.

It is an arithmetic number, because the mean of its divisors is an integer number (5778873376173).

Almost surely, 2^{23110610632721} is an apocalyptic number.

It is an amenable number.

23110610632721 is a deficient number, since it is larger than the sum of its proper divisors (4882871971).

23110610632721 is an equidigital number, since it uses as much as digits as its factorization.

23110610632721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882871970.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 23110610632721 in words is "twenty-three trillion, one hundred ten billion, six hundred ten million, six hundred thirty-two thousand, seven hundred twenty-one".