23113322189 has 2 divisors, whose sum is σ = 23113322190. Its totient is φ = 23113322188.

The previous prime is 23113322153. The next prime is 23113322191. The reversal of 23113322189 is 98122331132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11740806025 + 11372516164 = 108355^2 + 106642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113322189 is a prime.

It is a super-2 number, since 2×23113322189² (a number of 22 digits) contains 22 as substring.

Together with 23113322191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113322129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556661094 + 11556661095.

It is an arithmetic number, because the mean of its divisors is an integer number (11556661095).

Almost surely, 2^23113322189 is an apocalyptic number.

It is an amenable number.

23113322189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113322189 is an equidigital number, since it uses as much as digits as its factorization.

23113322189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The spelling of 23113322189 in words is "twenty-three billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred eighty-nine".