23133233 has 4 divisors (see below), whose sum is σ = 23154288. Its totient is φ = 23112180.

The previous prime is 23133199. The next prime is 23133263. The reversal of 23133233 is 33233132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23133233 - 2¹⁰ = 23132209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133263) 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, 8783 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (5788572).

Almost surely, 2^23133233 is an apocalyptic number.

It is an amenable number.

23133233 is a deficient number, since it is larger than the sum of its proper divisors (21055).

23133233 is a wasteful number, since it uses less digits than its factorization.

23133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054.

The product of its digits is 972, while the sum is 20.

The square root of 23133233 is about 4809.7019658187. The cubic root of 23133233 is about 284.9347670543.

Adding to 23133233 its reverse (33233132), we get a palindrome (56366365).

The spelling of 23133233 in words is "twenty-three million, one hundred thirty-three thousand, two hundred thirty-three".