23442249 has 8 divisors (see below), whose sum is σ = 31287712. Its totient is φ = 15612480.

The previous prime is 23442241. The next prime is 23442253. The reversal of 23442249 is 94224432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23442249 - 2³ = 23442241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23442241) 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 in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (3910964).

Almost surely, 2^23442249 is an apocalyptic number.

It is an amenable number.

23442249 is a deficient number, since it is larger than the sum of its proper divisors (7845463).

23442249 is a wasteful number, since it uses less digits than its factorization.

23442249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847.

The product of its digits is 13824, while the sum is 30.

The square root of 23442249 is about 4841.7196325273. The cubic root of 23442249 is about 286.1978882145.

The spelling of 23442249 in words is "twenty-three million, four hundred forty-two thousand, two hundred forty-nine".