133123010320 has 40 divisors (see below), whose sum is σ = 309534759936. Its totient is φ = 53245116288.

The previous prime is 133123010303. The next prime is 133123010381. The reversal of 133123010320 is 23010321331.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121329 + ... + 1234351.

Almost surely, 2^133123010320 is an apocalyptic number.

133123010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133123010320 is an abundant number, since it is smaller than the sum of its proper divisors (176411749616).

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

133123010320 is a wasteful number, since it uses less digits than its factorization.

133123010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127759 (or 127753 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133123010320 its reverse (23010321331), we get a palindrome (156133331651).

The spelling of 133123010320 in words is "one hundred thirty-three billion, one hundred twenty-three million, ten thousand, three hundred twenty".