443320113 has 24 divisors (see below), whose sum is σ = 608713600. Its totient is φ = 286921440.

The previous prime is 443320109. The next prime is 443320151. The reversal of 443320113 is 311023344.

It is not a de Polignac number, because 443320113 - 2² = 443320109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 443320113.

It is not an unprimeable number, because it can be changed into a prime (443327113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3384058 + ... + 3384188.

Almost surely, 2^443320113 is an apocalyptic number.

It is an amenable number.

443320113 is a deficient number, since it is larger than the sum of its proper divisors (165393487).

443320113 is a wasteful number, since it uses less digits than its factorization.

443320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 443320113 is about 21055.1683203911. The cubic root of 443320113 is about 762.4987658495.

Adding to 443320113 its reverse (311023344), we get a palindrome (754343457).

The spelling of 443320113 in words is "four hundred forty-three million, three hundred twenty thousand, one hundred thirteen".