133423214120 has 128 divisors (see below), whose sum is σ = 363690984960. Its totient is φ = 43004313600.

The previous prime is 133423214087. The next prime is 133423214143. The reversal of 133423214120 is 21412324331.

It is a super-2 number, since 2×133423214120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133423214120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4206320 + ... + 4237920.

It is an arithmetic number, because the mean of its divisors is an integer number (2841335820).

Almost surely, 2^133423214120 is an apocalyptic number.

133423214120 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 133423214120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181845492480).

133423214120 is an abundant number, since it is smaller than the sum of its proper divisors (230267770840).

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

133423214120 is a wasteful number, since it uses less digits than its factorization.

133423214120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32523 (or 32519 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 133423214120 its reverse (21412324331), we get a palindrome (154835538451).

The spelling of 133423214120 in words is "one hundred thirty-three billion, four hundred twenty-three million, two hundred fourteen thousand, one hundred twenty".