133421122431323 has 8 divisors (see below), whose sum is σ = 133659706607856. Its totient is φ = 133182555465600.

The previous prime is 133421122431319. The next prime is 133421122431371. The reversal of 133421122431323 is 323134221124331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133421122431323 - 2² = 133421122431319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133421112431323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11265815 + ... + 19843407.

It is an arithmetic number, because the mean of its divisors is an integer number (16707463325982).

Almost surely, 2^{133421122431323} is an apocalyptic number.

133421122431323 is a deficient number, since it is larger than the sum of its proper divisors (238584176533).

133421122431323 is an equidigital number, since it uses as much as digits as its factorization.

133421122431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605405.

The product of its digits is 62208, while the sum is 35.

Adding to 133421122431323 its reverse (323134221124331), we get a palindrome (456555343555654).

The spelling of 133421122431323 in words is "one hundred thirty-three trillion, four hundred twenty-one billion, one hundred twenty-two million, four hundred thirty-one thousand, three hundred twenty-three".