23144443 has 4 divisors (see below), whose sum is σ = 26450800. Its totient is φ = 19838088.

The previous prime is 23144441. The next prime is 23144447. The reversal of 23144443 is 34444132.

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 23144443 - 2¹ = 23144441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144441) 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, 1653168 + ... + 1653181.

It is an arithmetic number, because the mean of its divisors is an integer number (6612700).

Almost surely, 2^23144443 is an apocalyptic number.

23144443 is a deficient number, since it is larger than the sum of its proper divisors (3306357).

23144443 is an equidigital number, since it uses as much as digits as its factorization.

23144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306356.

The product of its digits is 4608, while the sum is 25.

The square root of 23144443 is about 4810.8671775471. The cubic root of 23144443 is about 284.9807845873.

Adding to 23144443 its reverse (34444132), we get a palindrome (57588575).

The spelling of 23144443 in words is "twenty-three million, one hundred forty-four thousand, four hundred forty-three".