133112021002423 has 4 divisors (see below), whose sum is σ = 133116293881168. Its totient is φ = 133107748123680.

The previous prime is 133112021002393. The next prime is 133112021002459. The reversal of 133112021002423 is 324200120211331.

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 133112021002423 - 2⁴¹ = 130912997746871 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 (133112021002523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136392643 + ... + 2136454948.

It is an arithmetic number, because the mean of its divisors is an integer number (33279073470292).

Almost surely, 2^{133112021002423} is an apocalyptic number.

133112021002423 is a deficient number, since it is larger than the sum of its proper divisors (4272878745).

133112021002423 is an equidigital number, since it uses as much as digits as its factorization.

133112021002423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272878744.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 133112021002423 its reverse (324200120211331), we get a palindrome (457312141213754).

The spelling of 133112021002423 in words is "one hundred thirty-three trillion, one hundred twelve billion, twenty-one million, two thousand, four hundred twenty-three".