123032204440040 has 64 divisors (see below), whose sum is σ = 317324322092160. Its totient is φ = 42055030575360.

The previous prime is 123032204439967. The next prime is 123032204440051. The reversal of 123032204440040 is 40044402230321.

It is a junction number, because it is equal to n+sod(n) for n = 123032204439985 and 123032204440012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663654647 + ... + 663840006.

It is an arithmetic number, because the mean of its divisors is an integer number (4958192532690).

Almost surely, 2^{123032204440040} is an apocalyptic number.

123032204440040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123032204440040 is an abundant number, since it is smaller than the sum of its proper divisors (194292117652120).

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

123032204440040 is a wasteful number, since it uses less digits than its factorization.

123032204440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327495002 (or 1327494998 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 123032204440040 its reverse (40044402230321), we get a palindrome (163076606670361).

The spelling of 123032204440040 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred four million, four hundred forty thousand, forty".