23101231117 has 2 divisors, whose sum is σ = 23101231118. Its totient is φ = 23101231116.

The previous prime is 23101231081. The next prime is 23101231141. The reversal of 23101231117 is 71113210132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23098224361 + 3006756 = 151981^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101231117 - 2¹⁵ = 23101198349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101231157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550615558 + 11550615559.

It is an arithmetic number, because the mean of its divisors is an integer number (11550615559).

Almost surely, 2^23101231117 is an apocalyptic number.

It is an amenable number.

23101231117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101231117 is an equidigital number, since it uses as much as digits as its factorization.

23101231117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 23101231117 its reverse (71113210132), we get a palindrome (94214441249).

The spelling of 23101231117 in words is "twenty-three billion, one hundred one million, two hundred thirty-one thousand, one hundred seventeen".