443020223 has 4 divisors (see below), whose sum is σ = 443830680. Its totient is φ = 442209768.

The previous prime is 443020217. The next prime is 443020307. The reversal of 443020223 is 322020344.

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 443020223 - 2¹⁸ = 442758079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443020195 and 443020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443020723) 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, 404408 + ... + 405501.

It is an arithmetic number, because the mean of its divisors is an integer number (110957670).

Almost surely, 2^443020223 is an apocalyptic number.

443020223 is a deficient number, since it is larger than the sum of its proper divisors (810457).

443020223 is an equidigital number, since it uses as much as digits as its factorization.

443020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810456.

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

The square root of 443020223 is about 21048.0455862296. The cubic root of 443020223 is about 762.3267927997.

Adding to 443020223 its reverse (322020344), we get a palindrome (765040567).

The spelling of 443020223 in words is "four hundred forty-three million, twenty thousand, two hundred twenty-three".