123030959 has 2 divisors, whose sum is σ = 123030960. Its totient is φ = 123030958.

The previous prime is 123030953. The next prime is 123031081. The reversal of 123030959 is 959030321.

It is a weak prime.

It is an emirp because it is prime and its reverse (959030321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123030959 - 2²⁰ = 121982383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123030953) 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, 61515479 + 61515480.

It is an arithmetic number, because the mean of its divisors is an integer number (61515480).

Almost surely, 2^123030959 is an apocalyptic number.

123030959 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030959 is an equidigital number, since it uses as much as digits as its factorization.

123030959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 123030959 is about 11091.9321581048. The cubic root of 123030959 is about 497.3607047546.

The spelling of 123030959 in words is "one hundred twenty-three million, thirty thousand, nine hundred fifty-nine".