5623443 has 12 divisors (see below), whose sum is σ = 9283248. Its totient is φ = 3213360.

The previous prime is 5623421. The next prime is 5623451. The reversal of 5623443 is 3443265.

It is not a de Polignac number, because 5623443 - 2¹⁶ = 5557907 is a prime.

It is a super-2 number, since 2×5623443² = 63246222348498, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁷ + 6⁷ + 2¹³ + 3¹² + 4 + 4¹¹ + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (5623403) 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 11 ways as a sum of consecutive naturals, for example, 44568 + ... + 44693.

It is an arithmetic number, because the mean of its divisors is an integer number (773604).

Almost surely, 2^5623443 is an apocalyptic number.

5623443 is a deficient number, since it is larger than the sum of its proper divisors (3659805).

5623443 is a wasteful number, since it uses less digits than its factorization.

5623443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89274 (or 89271 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 5623443 is about 2371.3799779875. The cubic root of 5623443 is about 177.8282545758.

It can be divided in two parts, 562 and 3443, that added together give a triangular number (4005 = T₈₉).

The spelling of 5623443 in words is "five million, six hundred twenty-three thousand, four hundred forty-three".