123442433413342 has 32 divisors (see below), whose sum is σ = 191526970864320. Its totient is φ = 59629463470080.

The previous prime is 123442433413303. The next prime is 123442433413391. The reversal of 123442433413342 is 243314334244321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317654134 + ... + 318042502.

It is an arithmetic number, because the mean of its divisors is an integer number (5985217839510).

Almost surely, 2^{123442433413342} is an apocalyptic number.

123442433413342 is a deficient number, since it is larger than the sum of its proper divisors (68084537450978).

123442433413342 is a wasteful number, since it uses less digits than its factorization.

123442433413342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426148.

The product of its digits is 1990656, while the sum is 43.

Adding to 123442433413342 its reverse (243314334244321), we get a palindrome (366756767657663).

The spelling of 123442433413342 in words is "one hundred twenty-three trillion, four hundred forty-two billion, four hundred thirty-three million, four hundred thirteen thousand, three hundred forty-two".