443245223 has 4 divisors (see below), whose sum is σ = 457543488. Its totient is φ = 428946960.

The previous prime is 443245217. The next prime is 443245291. The reversal of 443245223 is 322542344.

It is a happy number.

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 443245223 - 2⁴ = 443245207 is a prime.

It is a super-4 number, since 4×443245223⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443241223) 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, 7149086 + ... + 7149147.

It is an arithmetic number, because the mean of its divisors is an integer number (114385872).

Almost surely, 2^443245223 is an apocalyptic number.

443245223 is a deficient number, since it is larger than the sum of its proper divisors (14298265).

443245223 is a wasteful number, since it uses less digits than its factorization.

443245223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298264.

The product of its digits is 23040, while the sum is 29.

The square root of 443245223 is about 21053.3898220690. The cubic root of 443245223 is about 762.4558271642.

Adding to 443245223 its reverse (322542344), we get a palindrome (765787567).

The spelling of 443245223 in words is "four hundred forty-three million, two hundred forty-five thousand, two hundred twenty-three".