133311323 has 2 divisors, whose sum is σ = 133311324. Its totient is φ = 133311322.

The previous prime is 133311313. The next prime is 133311329. The reversal of 133311323 is 323113331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133311323 - 2¹² = 133307227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133311295 and 133311304.

It is not a weakly prime, because it can be changed into another prime (133311329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655661 + 66655662.

It is an arithmetic number, because the mean of its divisors is an integer number (66655662).

Almost surely, 2^133311323 is an apocalyptic number.

133311323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311323 is an equidigital number, since it uses as much as digits as its factorization.

133311323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 20.

The square root of 133311323 is about 11546.0522690658. The cubic root of 133311323 is about 510.8448421720.

Adding to 133311323 its reverse (323113331), we get a palindrome (456424654).

The spelling of 133311323 in words is "one hundred thirty-three million, three hundred eleven thousand, three hundred twenty-three".