123675239 has 2 divisors, whose sum is σ = 123675240. Its totient is φ = 123675238.

The previous prime is 123675193. The next prime is 123675241. The reversal of 123675239 is 932576321.

It is a strong prime.

It is an emirp because it is prime and its reverse (932576321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123675239 - 2¹² = 123671143 is a prime.

Together with 123675241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123675259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61837619 + 61837620.

It is an arithmetic number, because the mean of its divisors is an integer number (61837620).

Almost surely, 2^123675239 is an apocalyptic number.

123675239 is a deficient number, since it is larger than the sum of its proper divisors (1).

123675239 is an equidigital number, since it uses as much as digits as its factorization.

123675239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 123675239 is about 11120.9369659215. The cubic root of 123675239 is about 498.2273750280.

The spelling of 123675239 in words is "one hundred twenty-three million, six hundred seventy-five thousand, two hundred thirty-nine".