123032130445444 has 12 divisors (see below), whose sum is σ = 234879521759568. Its totient is φ = 55923695657000.

The previous prime is 123032130445363. The next prime is 123032130445507. The reversal of 123032130445444 is 444544031230321.

It is a junction number, because it is equal to n+sod(n) for n = 123032130445397 and 123032130445406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398092391382 + ... + 1398092391469.

It is an arithmetic number, because the mean of its divisors is an integer number (19573293479964).

Almost surely, 2^{123032130445444} is an apocalyptic number.

It is an amenable number.

123032130445444 is a deficient number, since it is larger than the sum of its proper divisors (111847391314124).

123032130445444 is a wasteful number, since it uses less digits than its factorization.

123032130445444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796184782866 (or 2796184782864 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 123032130445444 its reverse (444544031230321), we get a palindrome (567576161675765).

The spelling of 123032130445444 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty million, four hundred forty-five thousand, four hundred forty-four".