23130112261 has 2 divisors, whose sum is σ = 23130112262. Its totient is φ = 23130112260.

The previous prime is 23130112199. The next prime is 23130112279. The reversal of 23130112261 is 16221103132.

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., 20268932161 + 2861180100 = 142369^2 + 53490^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130112261 - 2⁷ = 23130112133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23130112661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565056130 + 11565056131.

It is an arithmetic number, because the mean of its divisors is an integer number (11565056131).

Almost surely, 2^23130112261 is an apocalyptic number.

It is an amenable number.

23130112261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130112261 is an equidigital number, since it uses as much as digits as its factorization.

23130112261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23130112261 its reverse (16221103132), we get a palindrome (39351215393).

The spelling of 23130112261 in words is "twenty-three billion, one hundred thirty million, one hundred twelve thousand, two hundred sixty-one".