5645213223 has 16 divisors (see below), whose sum is σ = 8180319840. Its totient is φ = 3442103424.

The previous prime is 5645213201. The next prime is 5645213227. The reversal of 5645213223 is 3223125465.

It is a happy number.

It is not a de Polignac number, because 5645213223 - 2⁵ = 5645213191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645213227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659736 + ... + 668237.

It is an arithmetic number, because the mean of its divisors is an integer number (511269990).

Almost surely, 2^5645213223 is an apocalyptic number.

5645213223 is a deficient number, since it is larger than the sum of its proper divisors (2535106617).

5645213223 is a wasteful number, since it uses less digits than its factorization.

5645213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328098.

The product of its digits is 43200, while the sum is 33.

The square root of 5645213223 is about 75134.6339779465. The cubic root of 5645213223 is about 1780.5743657331.

Adding to 5645213223 its reverse (3223125465), we get a palindrome (8868338688).

The spelling of 5645213223 in words is "five billion, six hundred forty-five million, two hundred thirteen thousand, two hundred twenty-three".