133423000100 has 72 divisors (see below), whose sum is σ = 311975865600. Its totient is φ = 49235978880.

The previous prime is 133423000031. The next prime is 133423000111. The reversal of 133423000100 is 1000324331.

It is a happy number.

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, 2341751 + ... + 2398049.

Almost surely, 2^133423000100 is an apocalyptic number.

133423000100 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 133423000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155987932800).

133423000100 is an abundant number, since it is smaller than the sum of its proper divisors (178552865500).

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

133423000100 is a wasteful number, since it uses less digits than its factorization.

133423000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58149 (or 58142 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 133423000100 its reverse (1000324331), we get a palindrome (134423324431).

The spelling of 133423000100 in words is "one hundred thirty-three billion, four hundred twenty-three million, one hundred", and thus it is an aban number.