23200123189 has 2 divisors, whose sum is σ = 23200123190. Its totient is φ = 23200123188.

The previous prime is 23200123181. The next prime is 23200123277. The reversal of 23200123189 is 98132100232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21973022289 + 1227100900 = 148233^2 + 35030^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200123189 - 2³ = 23200123181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23200123189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23200123181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600061594 + 11600061595.

It is an arithmetic number, because the mean of its divisors is an integer number (11600061595).

Almost surely, 2^23200123189 is an apocalyptic number.

It is an amenable number.

23200123189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23200123189 is an equidigital number, since it uses as much as digits as its factorization.

23200123189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 23200123189 in words is "twenty-three billion, two hundred million, one hundred twenty-three thousand, one hundred eighty-nine".