133073023 has 4 divisors (see below), whose sum is σ = 133106328. Its totient is φ = 133039720.

The previous prime is 133072997. The next prime is 133073029. The reversal of 133073023 is 320370331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133073023 - 2¹⁷ = 132941951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133072985 and 133073003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133073029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9688 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (33276582).

Almost surely, 2^133073023 is an apocalyptic number.

133073023 is a deficient number, since it is larger than the sum of its proper divisors (33305).

133073023 is an equidigital number, since it uses as much as digits as its factorization.

133073023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33304.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 133073023 is about 11535.7281087931. The cubic root of 133073023 is about 510.5402745617.

The spelling of 133073023 in words is "one hundred thirty-three million, seventy-three thousand, twenty-three".