23101113109 has 2 divisors, whose sum is σ = 23101113110. Its totient is φ = 23101113108.

The previous prime is 23101112999. The next prime is 23101113131. The reversal of 23101113109 is 90131110132.

It is an a-pointer prime, because the next prime (23101113131) can be obtained adding 23101113109 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13121702500 + 9979410609 = 114550^2 + 99897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23101113109 is a prime.

It is a super-2 number, since 2×23101113109² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23101113109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101113199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550556554 + 11550556555.

It is an arithmetic number, because the mean of its divisors is an integer number (11550556555).

Almost surely, 2^23101113109 is an apocalyptic number.

It is an amenable number.

23101113109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101113109 is an equidigital number, since it uses as much as digits as its factorization.

23101113109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 23101113109 in words is "twenty-three billion, one hundred one million, one hundred thirteen thousand, one hundred nine".