133233104023321 has 4 divisors (see below), whose sum is σ = 136833998726692. Its totient is φ = 129632209319952.

The previous prime is 133233104023303. The next prime is 133233104023337. The reversal of 133233104023321 is 123320401332331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56154115896025 + 77078988127296 = 7493605^2 + 8779464^2 .

It is a cyclic number.

It is not a de Polignac number, because 133233104023321 - 2¹⁹ = 133233103499033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133233104053321) 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, 1800447351630 + ... + 1800447351703.

It is an arithmetic number, because the mean of its divisors is an integer number (34208499681673).

Almost surely, 2^{133233104023321} is an apocalyptic number.

It is an amenable number.

133233104023321 is a deficient number, since it is larger than the sum of its proper divisors (3600894703371).

133233104023321 is an equidigital number, since it uses as much as digits as its factorization.

133233104023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600894703370.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 133233104023321 its reverse (123320401332331), we get a palindrome (256553505355652).

The spelling of 133233104023321 in words is "one hundred thirty-three trillion, two hundred thirty-three billion, one hundred four million, twenty-three thousand, three hundred twenty-one".