23299249 has 6 divisors (see below), whose sum is σ = 23855586. Its totient is φ = 22755600.

The previous prime is 23299229. The next prime is 23299261. The reversal of 23299249 is 94299232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18490000 + 4809249 = 4300^2 + 2193^2 .

It is not a de Polignac number, because 23299249 - 2⁵ = 23299217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23299229) 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 5 ways as a sum of consecutive naturals, for example, 4452 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (3975931).

Almost surely, 2^23299249 is an apocalyptic number.

It is an amenable number.

23299249 is a deficient number, since it is larger than the sum of its proper divisors (556337).

23299249 is an equidigital number, since it uses as much as digits as its factorization.

23299249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687 (or 12644 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 23299249 is about 4826.9295623616. The cubic root of 23299249 is about 285.6147558919.

The spelling of 23299249 in words is "twenty-three million, two hundred ninety-nine thousand, two hundred forty-nine".