4312243 has 4 divisors (see below), whose sum is σ = 4643968. Its totient is φ = 3980520.

The previous prime is 4312229. The next prime is 4312261. The reversal of 4312243 is 3422134.

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 4312243 - 2¹⁷ = 4181171 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 4312243.

It is not an unprimeable number, because it can be changed into a prime (4312223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165843 + ... + 165868.

It is an arithmetic number, because the mean of its divisors is an integer number (1160992).

Almost surely, 2^4312243 is an apocalyptic number.

4312243 is a deficient number, since it is larger than the sum of its proper divisors (331725).

4312243 is a wasteful number, since it uses less digits than its factorization.

4312243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331724.

The product of its digits is 576, while the sum is 19.

The square root of 4312243 is about 2076.5940864791. The cubic root of 4312243 is about 162.7675183262.

Adding to 4312243 its reverse (3422134), we get a palindrome (7734377).

The spelling of 4312243 in words is "four million, three hundred twelve thousand, two hundred forty-three".