123550334404112 has 160 divisors (see below), whose sum is σ = 311436876478464. Its totient is φ = 46041431040000.

The previous prime is 123550334404111. The next prime is 123550334404141. The reversal of 123550334404112 is 211404433055321.

It is not an unprimeable number, because it can be changed into a prime (123550334404111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680001503 + ... + 680183169.

Almost surely, 2^{123550334404112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123550334404112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155718438239232).

123550334404112 is an abundant number, since it is smaller than the sum of its proper divisors (187886542074352).

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

123550334404112 is a wasteful number, since it uses less digits than its factorization.

123550334404112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205717 (or 205711 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 123550334404112 its reverse (211404433055321), we get a palindrome (334954767459433).

The spelling of 123550334404112 in words is "one hundred twenty-three trillion, five hundred fifty billion, three hundred thirty-four million, four hundred four thousand, one hundred twelve".