4243323 has 8 divisors (see below), whose sum is σ = 6466048. Its totient is φ = 2424744.

The previous prime is 4243321. The next prime is 4243357. The reversal of 4243323 is 3233424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4243323 - 2¹ = 4243321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 202063 = 4243323 / (4 + 2 + 4 + 3 + 3 + 2 + 3).

It is a Duffinian number.

4243323 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101011 + ... + 101052.

It is an arithmetic number, because the mean of its divisors is an integer number (808256).

Almost surely, 2^4243323 is an apocalyptic number.

4243323 is a deficient number, since it is larger than the sum of its proper divisors (2222725).

4243323 is a wasteful number, since it uses less digits than its factorization.

4243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202073.

The product of its digits is 1728, while the sum is 21.

The square root of 4243323 is about 2059.9327658931. The cubic root of 4243323 is about 161.8957185906.

Adding to 4243323 its reverse (3233424), we get a palindrome (7476747).

It can be divided in two parts, 42 and 43323, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 4243323 in words is "four million, two hundred forty-three thousand, three hundred twenty-three".