123403003200100 has 72 divisors (see below), whose sum is σ = 288545617962728. Its totient is φ = 45538543872000.

The previous prime is 123403003200079. The next prime is 123403003200119. The reversal of 123403003200100 is 1002300304321.

It can be written as a sum of positive squares in 12 ways, for example, as 96742489522176 + 26660513677924 = 9835776^2 + 5163382^2 .

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, 24399351 + ... + 29019550.

Almost surely, 2^{123403003200100} is an apocalyptic number.

123403003200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123403003200100 is an abundant number, since it is smaller than the sum of its proper divisors (165142614762628).

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

123403003200100 is a wasteful number, since it uses less digits than its factorization.

123403003200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53420705 (or 53420698 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123403003200100 its reverse (1002300304321), we get a palindrome (124405303504421).

The spelling of 123403003200100 in words is "one hundred twenty-three trillion, four hundred three billion, three million, two hundred thousand, one hundred".