123444014441242 has 32 divisors (see below), whose sum is σ = 203356542366720. Its totient is φ = 55734151212480.

The previous prime is 123444014441219. The next prime is 123444014441269. The reversal of 123444014441242 is 242144410444321.

It is a junction number, because it is equal to n+sod(n) for n = 123444014441195 and 123444014441204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3737148 + ... + 16150984.

It is an arithmetic number, because the mean of its divisors is an integer number (6354891948960).

Almost surely, 2^{123444014441242} is an apocalyptic number.

123444014441242 is a deficient number, since it is larger than the sum of its proper divisors (79912527925478).

123444014441242 is a wasteful number, since it uses less digits than its factorization.

123444014441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416886.

The product of its (nonzero) digits is 393216, while the sum is 40.

Adding to 123444014441242 its reverse (242144410444321), we get a palindrome (365588424885563).

The spelling of 123444014441242 in words is "one hundred twenty-three trillion, four hundred forty-four billion, fourteen million, four hundred forty-one thousand, two hundred forty-two".