23133299 has 4 divisors (see below), whose sum is σ = 26438064. Its totient is φ = 19828536.

The previous prime is 23133287. The next prime is 23133301. The reversal of 23133299 is 99233132.

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

It is not a de Polignac number, because 23133299 - 2⁴ = 23133283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133199) 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, 1652372 + ... + 1652385.

It is an arithmetic number, because the mean of its divisors is an integer number (6609516).

Almost surely, 2^23133299 is an apocalyptic number.

23133299 is a deficient number, since it is larger than the sum of its proper divisors (3304765).

23133299 is an equidigital number, since it uses as much as digits as its factorization.

23133299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304764.

The product of its digits is 8748, while the sum is 32.

The square root of 23133299 is about 4809.7088269458. The cubic root of 23133299 is about 284.9350380307.

It can be divided in two parts, 23133 and 299, that added together give a palindrome (23432).

The spelling of 23133299 in words is "twenty-three million, one hundred thirty-three thousand, two hundred ninety-nine".