123100589 has 2 divisors, whose sum is σ = 123100590. Its totient is φ = 123100588.

The previous prime is 123100583. The next prime is 123100619. The reversal of 123100589 is 985001321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 14002564 = 10445^2 + 3742^2 .

It is an emirp because it is prime and its reverse (985001321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123100589 - 2⁸ = 123100333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123100583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550294 + 61550295.

It is an arithmetic number, because the mean of its divisors is an integer number (61550295).

Almost surely, 2^123100589 is an apocalyptic number.

It is an amenable number.

123100589 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100589 is an equidigital number, since it uses as much as digits as its factorization.

123100589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 123100589 is about 11095.0704819753. The cubic root of 123100589 is about 497.4545150035.

The spelling of 123100589 in words is "one hundred twenty-three million, one hundred thousand, five hundred eighty-nine".