123340339 has 2 divisors, whose sum is σ = 123340340. Its totient is φ = 123340338.

The previous prime is 123340333. The next prime is 123340379. The reversal of 123340339 is 933043321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123340339 - 2¹⁵ = 123307571 is a prime.

It is not a weakly prime, because it can be changed into another prime (123340333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61670169 + 61670170.

It is an arithmetic number, because the mean of its divisors is an integer number (61670170).

Almost surely, 2^123340339 is an apocalyptic number.

123340339 is a deficient number, since it is larger than the sum of its proper divisors (1).

123340339 is an equidigital number, since it uses as much as digits as its factorization.

123340339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 123340339 is about 11105.8695742387. The cubic root of 123340339 is about 497.7772520924. Note that the first 3 decimals are identical.

The spelling of 123340339 in words is "one hundred twenty-three million, three hundred forty thousand, three hundred thirty-nine".