133808023 has 2 divisors, whose sum is σ = 133808024. Its totient is φ = 133808022.

The previous prime is 133808009. The next prime is 133808039. The reversal of 133808023 is 320808331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133808023 - 2⁵ = 133807991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133807982 and 133808000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133808063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66904011 + 66904012.

It is an arithmetic number, because the mean of its divisors is an integer number (66904012).

Almost surely, 2^133808023 is an apocalyptic number.

133808023 is a deficient number, since it is larger than the sum of its proper divisors (1).

133808023 is an equidigital number, since it uses as much as digits as its factorization.

133808023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 133808023 is about 11567.5417872597. The cubic root of 133808023 is about 511.4785021607.

The spelling of 133808023 in words is "one hundred thirty-three million, eight hundred eight thousand, twenty-three".