23250566189 has 2 divisors, whose sum is σ = 23250566190. Its totient is φ = 23250566188.

The previous prime is 23250566161. The next prime is 23250566219. The reversal of 23250566189 is 98166505232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21211592164 + 2038974025 = 145642^2 + 45155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23250566189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23250566389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11625283094 + 11625283095.

It is an arithmetic number, because the mean of its divisors is an integer number (11625283095).

Almost surely, 2^23250566189 is an apocalyptic number.

It is an amenable number.

23250566189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23250566189 is an equidigital number, since it uses as much as digits as its factorization.

23250566189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 23250566189 in words is "twenty-three billion, two hundred fifty million, five hundred sixty-six thousand, one hundred eighty-nine".