133113023 has 2 divisors, whose sum is σ = 133113024. Its totient is φ = 133113022.

The previous prime is 133112999. The next prime is 133113049. The reversal of 133113023 is 320311331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133113023 - 2²⁰ = 132064447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133112992 and 133113010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133113053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66556511 + 66556512.

It is an arithmetic number, because the mean of its divisors is an integer number (66556512).

Almost surely, 2^133113023 is an apocalyptic number.

133113023 is a deficient number, since it is larger than the sum of its proper divisors (1).

133113023 is an equidigital number, since it uses as much as digits as its factorization.

133113023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133113023 is about 11537.4617225801. The cubic root of 133113023 is about 510.5914233338.

Adding to 133113023 its reverse (320311331), we get a palindrome (453424354).

The spelling of 133113023 in words is "one hundred thirty-three million, one hundred thirteen thousand, twenty-three".