5643223 has 8 divisors (see below), whose sum is σ = 5756400. Its totient is φ = 5531328.

The previous prime is 5643221. The next prime is 5643227. The reversal of 5643223 is 3223465.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5643223 - 2¹ = 5643221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643221) 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, 14313 + ... + 14701.

It is an arithmetic number, because the mean of its divisors is an integer number (719550).

Almost surely, 2^5643223 is an apocalyptic number.

5643223 is a deficient number, since it is larger than the sum of its proper divisors (113177).

5643223 is a wasteful number, since it uses less digits than its factorization.

5643223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 4320, while the sum is 25.

The square root of 5643223 is about 2375.5468844037. The cubic root of 5643223 is about 178.0365093650.

Adding to 5643223 its reverse (3223465), we get a palindrome (8866688).

The spelling of 5643223 in words is "five million, six hundred forty-three thousand, two hundred twenty-three".