4423321 has 4 divisors (see below), whose sum is σ = 5055232. Its totient is φ = 3791412.

The previous prime is 4423301. The next prime is 4423339. The reversal of 4423321 is 1233244.

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 4423321 - 2⁹ = 4422809 is a prime.

It is a super-3 number, since 3×4423321³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4423301) 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, 315945 + ... + 315958.

It is an arithmetic number, because the mean of its divisors is an integer number (1263808).

Almost surely, 2^4423321 is an apocalyptic number.

It is an amenable number.

4423321 is a deficient number, since it is larger than the sum of its proper divisors (631911).

4423321 is an equidigital number, since it uses as much as digits as its factorization.

4423321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631910.

The product of its digits is 576, while the sum is 19.

The square root of 4423321 is about 2103.1692751655. The cubic root of 4423321 is about 164.1532500681.

Adding to 4423321 its reverse (1233244), we get a palindrome (5656565).

The spelling of 4423321 in words is "four million, four hundred twenty-three thousand, three hundred twenty-one".