23424443 has 4 divisors (see below), whose sum is σ = 26770800. Its totient is φ = 20078088.

The previous prime is 23424403. The next prime is 23424451. The reversal of 23424443 is 34442432.

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

It is a cyclic number.

It is not a de Polignac number, because 23424443 - 2⁸ = 23424187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23424403) 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, 1673168 + ... + 1673181.

It is an arithmetic number, because the mean of its divisors is an integer number (6692700).

Almost surely, 2^23424443 is an apocalyptic number.

23424443 is a deficient number, since it is larger than the sum of its proper divisors (3346357).

23424443 is an equidigital number, since it uses as much as digits as its factorization.

23424443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346356.

The product of its digits is 9216, while the sum is 26.

The square root of 23424443 is about 4839.8804737307. The cubic root of 23424443 is about 286.1254075351.

Adding to 23424443 its reverse (34442432), we get a palindrome (57866875).

The spelling of 23424443 in words is "twenty-three million, four hundred twenty-four thousand, four hundred forty-three".