123133133020100 has 36 divisors (see below), whose sum is σ = 305370169891584. Its totient is φ = 42217074178080.

The previous prime is 123133133020099. The next prime is 123133133020103. The reversal of 123133133020100 is 1020331331321.

It is not an unprimeable number, because it can be changed into a prime (123133133020103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 87952237172 + ... + 87952238571.

Almost surely, 2^{123133133020100} is an apocalyptic number.

123133133020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123133133020100 is an abundant number, since it is smaller than the sum of its proper divisors (182237036871484).

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

123133133020100 is a wasteful number, since it uses less digits than its factorization.

123133133020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175904475764 (or 175904475757 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 123133133020100 its reverse (1020331331321), we get a palindrome (124153464351421).

The spelling of 123133133020100 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, one hundred thirty-three million, twenty thousand, one hundred".