4243303 has 4 divisors (see below), whose sum is σ = 4268880. Its totient is φ = 4217728.

The previous prime is 4243297. The next prime is 4243307. The reversal of 4243303 is 3033424.

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 4243303 - 2¹⁷ = 4112231 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 2¹¹ + 4¹¹ + 3⁸ + 3⁹ + 0 + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243307) 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, 12538 + ... + 12871.

It is an arithmetic number, because the mean of its divisors is an integer number (1067220).

Almost surely, 2^4243303 is an apocalyptic number.

4243303 is a deficient number, since it is larger than the sum of its proper divisors (25577).

4243303 is a wasteful number, since it uses less digits than its factorization.

4243303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25576.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 4243303 is about 2059.9279113600. The cubic root of 4243303 is about 161.8954642365.

Adding to 4243303 its reverse (3033424), we get a palindrome (7276727).

The spelling of 4243303 in words is "four million, two hundred forty-three thousand, three hundred three".