133312332421423 has 4 divisors (see below), whose sum is σ = 133312566456360. Its totient is φ = 133312098386488.

The previous prime is 133312332421409. The next prime is 133312332421447. The reversal of 133312332421423 is 324124233213331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133312332421423 - 2⁵ = 133312332421391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312332421223) 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 3 ways as a sum of consecutive naturals, for example, 116160940 + ... + 117302977.

It is an arithmetic number, because the mean of its divisors is an integer number (33328141614090).

Almost surely, 2^{133312332421423} is an apocalyptic number.

133312332421423 is a deficient number, since it is larger than the sum of its proper divisors (234034937).

133312332421423 is an equidigital number, since it uses as much as digits as its factorization.

133312332421423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234034936.

The product of its digits is 186624, while the sum is 37.

Adding to 133312332421423 its reverse (324124233213331), we get a palindrome (457436565634754).

The spelling of 133312332421423 in words is "one hundred thirty-three trillion, three hundred twelve billion, three hundred thirty-two million, four hundred twenty-one thousand, four hundred twenty-three".