23133320 has 32 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 7931328.

The previous prime is 23133301. The next prime is 23133323. The reversal of 23133320 is 2333132.

It is not an unprimeable number, because it can be changed into a prime (23133323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41030 + ... + 41589.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 2^23133320 is an apocalyptic number.

23133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133320 is an abundant number, since it is smaller than the sum of its proper divisors (36353080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23133320 is a wasteful number, since it uses less digits than its factorization.

23133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82637 (or 82633 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 23133320 is about 4809.7110100296. The cubic root of 23133320 is about 284.9351242503.

Adding to 23133320 its reverse (2333132), we get a palindrome (25466452).

The spelling of 23133320 in words is "twenty-three million, one hundred thirty-three thousand, three hundred twenty".