4423345 has 4 divisors (see below), whose sum is σ = 5308020. Its totient is φ = 3538672.

The previous prime is 4423339. The next prime is 4423351. The reversal of 4423345 is 5433244.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4423339) and next prime (4423351).

It can be written as a sum of positive squares in 2 ways, for example, as 952576 + 3470769 = 976^2 + 1863^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423345 - 2¹¹ = 4421297 is a prime.

It is a d-powerful number, because it can be written as 4² + 4³ + 2¹⁷ + 3⁴ + 3⁹ + 4¹¹ + 5⁷ .

It is an unprimeable number.

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, 442330 + ... + 442339.

It is an arithmetic number, because the mean of its divisors is an integer number (1327005).

Almost surely, 2^4423345 is an apocalyptic number.

It is an amenable number.

4423345 is a deficient number, since it is larger than the sum of its proper divisors (884675).

4423345 is an equidigital number, since it uses as much as digits as its factorization.

4423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884674.

The product of its digits is 5760, while the sum is 25.

The square root of 4423345 is about 2103.1749808326. The cubic root of 4423345 is about 164.1535469544.

Adding to 4423345 its reverse (5433244), we get a palindrome (9856589).

The spelling of 4423345 in words is "four million, four hundred twenty-three thousand, three hundred forty-five".