23623835189 has 2 divisors, whose sum is σ = 23623835190. Its totient is φ = 23623835188.

The previous prime is 23623835149. The next prime is 23623835227. The reversal of 23623835189 is 98153832632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17505936100 + 6117899089 = 132310^2 + 78217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23623835189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23623835149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11811917594 + 11811917595.

It is an arithmetic number, because the mean of its divisors is an integer number (11811917595).

Almost surely, 2^23623835189 is an apocalyptic number.

It is an amenable number.

23623835189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23623835189 is an equidigital number, since it uses as much as digits as its factorization.

23623835189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The spelling of 23623835189 in words is "twenty-three billion, six hundred twenty-three million, eight hundred thirty-five thousand, one hundred eighty-nine".