23110123203149 has 2 divisors, whose sum is σ = 23110123203150. Its totient is φ = 23110123203148.

The previous prime is 23110123203127. The next prime is 23110123203163. The reversal of 23110123203149 is 94130232101132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22962066015625 + 148057187524 = 4791875^2 + 384782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23110123203149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110123203179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555061601574 + 11555061601575.

It is an arithmetic number, because the mean of its divisors is an integer number (11555061601575).

Almost surely, 2^{23110123203149} is an apocalyptic number.

It is an amenable number.

23110123203149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110123203149 is an equidigital number, since it uses as much as digits as its factorization.

23110123203149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 23110123203149 in words is "twenty-three trillion, one hundred ten billion, one hundred twenty-three million, two hundred three thousand, one hundred forty-nine".