4143321 has 24 divisors (see below), whose sum is σ = 7367360. Its totient is φ = 2185056.

The previous prime is 4143301. The next prime is 4143329. The reversal of 4143321 is 1233414.

It is not a de Polignac number, because 4143321 - 2⁷ = 4143193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4143294 and 4143303.

It is not an unprimeable number, because it can be changed into a prime (4143329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1711 + ... + 3348.

Almost surely, 2^4143321 is an apocalyptic number.

It is an amenable number.

4143321 is a deficient number, since it is larger than the sum of its proper divisors (3224039).

4143321 is a wasteful number, since it uses less digits than its factorization.

4143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5082 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4143321 is about 2035.5149225687. The cubic root of 4143321 is about 160.6138011441.

Adding to 4143321 its reverse (1233414), we get a palindrome (5376735).

The spelling of 4143321 in words is "four million, one hundred forty-three thousand, three hundred twenty-one".