123342959 has 2 divisors, whose sum is σ = 123342960. Its totient is φ = 123342958.

The previous prime is 123342931. The next prime is 123343001. The reversal of 123342959 is 959243321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (959243321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123342959 - 2¹⁶ = 123277423 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 (123344959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61671479 + 61671480.

It is an arithmetic number, because the mean of its divisors is an integer number (61671480).

Almost surely, 2^123342959 is an apocalyptic number.

123342959 is a deficient number, since it is larger than the sum of its proper divisors (1).

123342959 is an equidigital number, since it uses as much as digits as its factorization.

123342959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 123342959 is about 11105.9875292565. The cubic root of 123342959 is about 497.7807766684.

The spelling of 123342959 in words is "one hundred twenty-three million, three hundred forty-two thousand, nine hundred fifty-nine".