23110230989 has 2 divisors, whose sum is σ = 23110230990. Its totient is φ = 23110230988.

The previous prime is 23110230977. The next prime is 23110230991. The reversal of 23110230989 is 98903201132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21626055364 + 1484175625 = 147058^2 + 38525^2 .

It is a cyclic number.

It is not a de Polignac number, because 23110230989 - 2²⁰ = 23109182413 is a prime.

Together with 23110230991, 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 (23110230919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555115494 + 11555115495.

It is an arithmetic number, because the mean of its divisors is an integer number (11555115495).

Almost surely, 2^23110230989 is an apocalyptic number.

It is an amenable number.

23110230989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110230989 is an equidigital number, since it uses as much as digits as its factorization.

23110230989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 23110230989 in words is "twenty-three billion, one hundred ten million, two hundred thirty thousand, nine hundred eighty-nine".