23443873 has 4 divisors (see below), whose sum is σ = 23487280. Its totient is φ = 23400468.

The previous prime is 23443837. The next prime is 23443907. The reversal of 23443873 is 37834432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23443873 - 2⁹ = 23443361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23443073) 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 3 ways as a sum of consecutive naturals, for example, 20883 + ... + 21976.

It is an arithmetic number, because the mean of its divisors is an integer number (5871820).

Almost surely, 2^23443873 is an apocalyptic number.

It is an amenable number.

23443873 is a deficient number, since it is larger than the sum of its proper divisors (43407).

23443873 is an equidigital number, since it uses as much as digits as its factorization.

23443873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43406.

The product of its digits is 48384, while the sum is 34.

The square root of 23443873 is about 4841.8873386315. The cubic root of 23443873 is about 286.2044970036.

The spelling of 23443873 in words is "twenty-three million, four hundred forty-three thousand, eight hundred seventy-three".