133313321023 has 2 divisors, whose sum is σ = 133313321024. Its totient is φ = 133313321022.

The previous prime is 133313320997. The next prime is 133313321083. The reversal of 133313321023 is 320123313331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133313321023 - 2⁵ = 133313320991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133313321083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66656660511 + 66656660512.

It is an arithmetic number, because the mean of its divisors is an integer number (66656660512).

Almost surely, 2^133313321023 is an apocalyptic number.

133313321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

133313321023 is an equidigital number, since it uses as much as digits as its factorization.

133313321023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133313321023 its reverse (320123313331), we get a palindrome (453436634354).

The spelling of 133313321023 in words is "one hundred thirty-three billion, three hundred thirteen million, three hundred twenty-one thousand, twenty-three".