123242351151239 has 2 divisors, whose sum is σ = 123242351151240. Its totient is φ = 123242351151238.

The previous prime is 123242351151233. The next prime is 123242351151341. The reversal of 123242351151239 is 932151153242321.

It is a weak prime.

It is an emirp because it is prime and its reverse (932151153242321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123242351151239 - 2²⁴ = 123242334374023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123242351151239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123242351151233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621175575619 + 61621175575620.

It is an arithmetic number, because the mean of its divisors is an integer number (61621175575620).

Almost surely, 2^{123242351151239} is an apocalyptic number.

123242351151239 is a deficient number, since it is larger than the sum of its proper divisors (1).

123242351151239 is an equidigital number, since it uses as much as digits as its factorization.

123242351151239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The spelling of 123242351151239 in words is "one hundred twenty-three trillion, two hundred forty-two billion, three hundred fifty-one million, one hundred fifty-one thousand, two hundred thirty-nine".