142231422423239 has 2 divisors, whose sum is σ = 142231422423240. Its totient is φ = 142231422423238.

The previous prime is 142231422423203. The next prime is 142231422423301. The reversal of 142231422423239 is 932324224132241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142231422423239 - 2⁸ = 142231422422983 is a prime.

It is a super-2 number, since 2×142231422423239² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142231422423239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142231422423439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71115711211619 + 71115711211620.

It is an arithmetic number, because the mean of its divisors is an integer number (71115711211620).

Almost surely, 2^{142231422423239} is an apocalyptic number.

142231422423239 is a deficient number, since it is larger than the sum of its proper divisors (1).

142231422423239 is an equidigital number, since it uses as much as digits as its factorization.

142231422423239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 44.

The spelling of 142231422423239 in words is "one hundred forty-two trillion, two hundred thirty-one billion, four hundred twenty-two million, four hundred twenty-three thousand, two hundred thirty-nine".