4043231 has 4 divisors (see below), whose sum is σ = 4047264. Its totient is φ = 4039200.

The previous prime is 4043191. The next prime is 4043233. The reversal of 4043231 is 1323404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4043231 - 2⁶ = 4043167 is a prime.

It is a super-2 number, since 2×4043231² = 32695433838722, which contains 22 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 (4043233) 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, 791 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (1011816).

Almost surely, 2^4043231 is an apocalyptic number.

4043231 is a deficient number, since it is larger than the sum of its proper divisors (4033).

4043231 is a wasteful number, since it uses less digits than its factorization.

4043231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

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

The square root of 4043231 is about 2010.7787048803. The cubic root of 4043231 is about 159.3099317105.

Adding to 4043231 its reverse (1323404), we get a palindrome (5366635).

The spelling of 4043231 in words is "four million, forty-three thousand, two hundred thirty-one".