133413023 has 2 divisors, whose sum is σ = 133413024. Its totient is φ = 133413022.

The previous prime is 133413019. The next prime is 133413053. The reversal of 133413023 is 320314331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133413023 - 2² = 133413019 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 133412986 and 133413004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133413053) 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, 66706511 + 66706512.

It is an arithmetic number, because the mean of its divisors is an integer number (66706512).

Almost surely, 2^133413023 is an apocalyptic number.

133413023 is a deficient number, since it is larger than the sum of its proper divisors (1).

133413023 is an equidigital number, since it uses as much as digits as its factorization.

133413023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133413023 is about 11550.4555321424. The cubic root of 133413023 is about 510.9747128978.

Adding to 133413023 its reverse (320314331), we get a palindrome (453727354).

The spelling of 133413023 in words is "one hundred thirty-three million, four hundred thirteen thousand, twenty-three".