123408063239 has 2 divisors, whose sum is σ = 123408063240. Its totient is φ = 123408063238.

The previous prime is 123408063217. The next prime is 123408063367. The reversal of 123408063239 is 932360804321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123408063239 is a prime.

It is a super-2 number, since 2×123408063239² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123408063196 and 123408063205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123408068239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61704031619 + 61704031620.

It is an arithmetic number, because the mean of its divisors is an integer number (61704031620).

Almost surely, 2^123408063239 is an apocalyptic number.

123408063239 is a deficient number, since it is larger than the sum of its proper divisors (1).

123408063239 is an equidigital number, since it uses as much as digits as its factorization.

123408063239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 123408063239 in words is "one hundred twenty-three billion, four hundred eight million, sixty-three thousand, two hundred thirty-nine".