133495023 has 16 divisors (see below), whose sum is σ = 182147072. Its totient is φ = 86940000.

The previous prime is 133495009. The next prime is 133495031. The reversal of 133495023 is 320594331.

It is not a de Polignac number, because 133495023 - 2¹² = 133490927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133495003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25218 + ... + 30048.

It is an arithmetic number, because the mean of its divisors is an integer number (11384192).

Almost surely, 2^133495023 is an apocalyptic number.

133495023 is a deficient number, since it is larger than the sum of its proper divisors (48652049).

133495023 is a wasteful number, since it uses less digits than its factorization.

133495023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 133495023 is about 11554.0046304301. The cubic root of 133495023 is about 511.0793787045.

The spelling of 133495023 in words is "one hundred thirty-three million, four hundred ninety-five thousand, twenty-three".