123233332012100 has 72 divisors (see below), whose sum is σ = 269440883013120. Its totient is φ = 48920408565120.

The previous prime is 123233332012097. The next prime is 123233332012121. The reversal of 123233332012100 is 1210233332321.

It is a self number, because there is not a number n which added to its sum of digits gives 123233332012100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35554397 + ... + 38866203.

Almost surely, 2^{123233332012100} is an apocalyptic number.

123233332012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123233332012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134720441506560).

123233332012100 is an abundant number, since it is smaller than the sum of its proper divisors (146207551001020).

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

123233332012100 is a wasteful number, since it uses less digits than its factorization.

123233332012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314637 (or 3314630 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123233332012100 its reverse (1210233332321), we get a palindrome (124443565344421).

The spelling of 123233332012100 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, three hundred thirty-two million, twelve thousand, one hundred".