133635023 has 2 divisors, whose sum is σ = 133635024. Its totient is φ = 133635022.

The previous prime is 133635001. The next prime is 133635071. The reversal of 133635023 is 320536331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133635023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133634983 and 133635001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133635923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66817511 + 66817512.

It is an arithmetic number, because the mean of its divisors is an integer number (66817512).

Almost surely, 2^133635023 is an apocalyptic number.

133635023 is a deficient number, since it is larger than the sum of its proper divisors (1).

133635023 is an equidigital number, since it uses as much as digits as its factorization.

133635023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 133635023 is about 11560.0615482791. The cubic root of 133635023 is about 511.2579774103.

The spelling of 133635023 in words is "one hundred thirty-three million, six hundred thirty-five thousand, twenty-three".