123234044222442 has 8 divisors (see below), whose sum is σ = 246468088444896. Its totient is φ = 41078014740812.

The previous prime is 123234044222431. The next prime is 123234044222449. The reversal of 123234044222442 is 244222440432321.

It is a sphenic number, since it is the product of 3 distinct primes.

123234044222442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 123234044222442.

It is not an unprimeable number, because it can be changed into a prime (123234044222449) 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 in 3 ways as a sum of consecutive naturals, for example, 10269503685198 + ... + 10269503685209.

It is an arithmetic number, because the mean of its divisors is an integer number (30808511055612).

Almost surely, 2^{123234044222442} is an apocalyptic number.

123234044222442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123234044222442 is a wasteful number, since it uses less digits than its factorization.

123234044222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20539007370412.

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 123234044222442 its reverse (244222440432321), we get a palindrome (367456484654763).

The spelling of 123234044222442 in words is "one hundred twenty-three trillion, two hundred thirty-four billion, forty-four million, two hundred twenty-two thousand, four hundred forty-two".