23133199 has 2 divisors, whose sum is σ = 23133200. Its totient is φ = 23133198.

The previous prime is 23133197. The next prime is 23133263. The reversal of 23133199 is 99133132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23133199 - 2¹ = 23133197 is a prime.

Together with 23133197, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23133199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566599 + 11566600.

It is an arithmetic number, because the mean of its divisors is an integer number (11566600).

Almost surely, 2^23133199 is an apocalyptic number.

23133199 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133199 is an equidigital number, since it uses as much as digits as its factorization.

23133199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 31.

The square root of 23133199 is about 4809.6984312948. The cubic root of 23133199 is about 284.9346274603.

It can be divided in two parts, 23133 and 199, that added together give a palindrome (23332).

The spelling of 23133199 in words is "twenty-three million, one hundred thirty-three thousand, one hundred ninety-nine".