440043223 has 4 divisors (see below), whose sum is σ = 440098848. Its totient is φ = 439987600.

The previous prime is 440043217. The next prime is 440043229. The reversal of 440043223 is 322340044.

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

It is an interprime number because it is at equal distance from previous prime (440043217) and next prime (440043229).

It is a cyclic number.

It is not a de Polignac number, because 440043223 - 2⁹ = 440042711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440043194 and 440043203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440043229) 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, 13486 + ... + 32587.

It is an arithmetic number, because the mean of its divisors is an integer number (110024712).

Almost surely, 2^440043223 is an apocalyptic number.

440043223 is a deficient number, since it is larger than the sum of its proper divisors (55625).

440043223 is an equidigital number, since it uses as much as digits as its factorization.

440043223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55624.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 440043223 is about 20977.2072259393. The cubic root of 440043223 is about 760.6153966420.

Adding to 440043223 its reverse (322340044), we get a palindrome (762383267).

The spelling of 440043223 in words is "four hundred forty million, forty-three thousand, two hundred twenty-three".