123200013239 has 2 divisors, whose sum is σ = 123200013240. Its totient is φ = 123200013238.

The previous prime is 123200013197. The next prime is 123200013263. The reversal of 123200013239 is 932310002321.

It is a strong prime.

It is an emirp because it is prime and its reverse (932310002321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123200013239 - 2²⁰ = 123198964663 is a prime.

It is a super-2 number, since 2×123200013239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123200313239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600006619 + 61600006620.

It is an arithmetic number, because the mean of its divisors is an integer number (61600006620).

Almost surely, 2^123200013239 is an apocalyptic number.

123200013239 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200013239 is an equidigital number, since it uses as much as digits as its factorization.

123200013239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 123200013239 in words is "one hundred twenty-three billion, two hundred million, thirteen thousand, two hundred thirty-nine".