123442234031071 has 2 divisors, whose sum is σ = 123442234031072. Its totient is φ = 123442234031070.

The previous prime is 123442234031027. The next prime is 123442234031087. The reversal of 123442234031071 is 170130432244321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123442234031071 - 2³¹ = 123440086547423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123442234031071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123442234031671) 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, 61721117015535 + 61721117015536.

It is an arithmetic number, because the mean of its divisors is an integer number (61721117015536).

Almost surely, 2^{123442234031071} is an apocalyptic number.

123442234031071 is a deficient number, since it is larger than the sum of its proper divisors (1).

123442234031071 is an equidigital number, since it uses as much as digits as its factorization.

123442234031071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 123442234031071 its reverse (170130432244321), we get a palindrome (293572666275392).

The spelling of 123442234031071 in words is "one hundred twenty-three trillion, four hundred forty-two billion, two hundred thirty-four million, thirty-one thousand, seventy-one".