4232321 has 4 divisors (see below), whose sum is σ = 4290372. Its totient is φ = 4174272.

The previous prime is 4232309. The next prime is 4232351. The reversal of 4232321 is 1232324.

4232321 is nontrivially palindromic in base 2.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1795600 + 2436721 = 1340^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 4232321 - 2⁶ = 4232257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4232321.

It is not an unprimeable number, because it can be changed into a prime (4232351) 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, 28916 + ... + 29061.

It is an arithmetic number, because the mean of its divisors is an integer number (1072593).

Almost surely, 2^4232321 is an apocalyptic number.

It is an amenable number.

4232321 is a deficient number, since it is larger than the sum of its proper divisors (58051).

4232321 is an equidigital number, since it uses as much as digits as its factorization.

4232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58050.

The product of its digits is 288, while the sum is 17.

The square root of 4232321 is about 2057.2605571488. The cubic root of 4232321 is about 161.7556775334.

Adding to 4232321 its reverse (1232324), we get a palindrome (5464645).

It can be divided in two parts, 423 and 2321, that added together give a cube (2744 = 14³).

The spelling of 4232321 in words is "four million, two hundred thirty-two thousand, three hundred twenty-one".