2443223 has 4 divisors (see below), whose sum is σ = 2586960. Its totient is φ = 2299488.

The previous prime is 2443219. The next prime is 2443241. The reversal of 2443223 is 3223442.

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

It is not a de Polignac number, because 2443223 - 2² = 2443219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2443195 and 2443204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443213) 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, 71843 + ... + 71876.

It is an arithmetic number, because the mean of its divisors is an integer number (646740).

2^2443223 is an apocalyptic number.

2443223 is a deficient number, since it is larger than the sum of its proper divisors (143737).

2443223 is a wasteful number, since it uses less digits than its factorization.

2443223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143736.

The product of its digits is 1152, while the sum is 20.

The square root of 2443223 is about 1563.0812518868. The cubic root of 2443223 is about 134.6855599030.

Adding to 2443223 its reverse (3223442), we get a palindrome (5666665).

It can be divided in two parts, 2 and 443223, that multiplied together give a triangular number (886446 = T₁₃₃₁).

The spelling of 2443223 in words is "two million, four hundred forty-three thousand, two hundred twenty-three".