23110130261 has 2 divisors, whose sum is σ = 23110130262. Its totient is φ = 23110130260.

The previous prime is 23110130237. The next prime is 23110130269. The reversal of 23110130261 is 16203101132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22742449636 + 367680625 = 150806^2 + 19175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23110130261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110130269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555065130 + 11555065131.

It is an arithmetic number, because the mean of its divisors is an integer number (11555065131).

Almost surely, 2^23110130261 is an apocalyptic number.

It is an amenable number.

23110130261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110130261 is an equidigital number, since it uses as much as digits as its factorization.

23110130261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23110130261 its reverse (16203101132), we get a palindrome (39313231393).

The spelling of 23110130261 in words is "twenty-three billion, one hundred ten million, one hundred thirty thousand, two hundred sixty-one".