4143443 has 4 divisors (see below), whose sum is σ = 4193448. Its totient is φ = 4093440.

The previous prime is 4143421. The next prime is 4143449. The reversal of 4143443 is 3443414.

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 4143443 - 2⁸ = 4143187 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (4143449) 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, 24878 + ... + 25043.

It is an arithmetic number, because the mean of its divisors is an integer number (1048362).

Almost surely, 2^4143443 is an apocalyptic number.

4143443 is a deficient number, since it is larger than the sum of its proper divisors (50005).

4143443 is an equidigital number, since it uses as much as digits as its factorization.

4143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50004.

The product of its digits is 2304, while the sum is 23.

The square root of 4143443 is about 2035.5448901953. The cubic root of 4143443 is about 160.6153775519.

Adding to 4143443 its reverse (3443414), we get a palindrome (7586857).

The spelling of 4143443 in words is "four million, one hundred forty-three thousand, four hundred forty-three".