123403322432444 has 12 divisors (see below), whose sum is σ = 215958938062224. Its totient is φ = 61700768700384.

The previous prime is 123403322432407. The next prime is 123403322432471. The reversal of 123403322432444 is 444234223304321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 222817817 + ... + 223370960.

It is an arithmetic number, because the mean of its divisors is an integer number (17996578171852).

Almost surely, 2^{123403322432444} is an apocalyptic number.

It is an amenable number.

123403322432444 is a deficient number, since it is larger than the sum of its proper divisors (92555615629780).

123403322432444 is a wasteful number, since it uses less digits than its factorization.

123403322432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446257924 (or 446257922 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 123403322432444 its reverse (444234223304321), we get a palindrome (567637545736765).

The spelling of 123403322432444 in words is "one hundred twenty-three trillion, four hundred three billion, three hundred twenty-two million, four hundred thirty-two thousand, four hundred forty-four".