443430013223 has 4 divisors (see below), whose sum is σ = 446814975288. Its totient is φ = 440045051160.

The previous prime is 443430013171. The next prime is 443430013237. The reversal of 443430013223 is 322310034344.

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

It is a cyclic number.

It is not a de Polignac number, because 443430013223 - 2⁸ = 443430012967 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 (443430013723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692480836 + ... + 1692481097.

It is an arithmetic number, because the mean of its divisors is an integer number (111703743822).

Almost surely, 2^443430013223 is an apocalyptic number.

443430013223 is a deficient number, since it is larger than the sum of its proper divisors (3384962065).

443430013223 is a wasteful number, since it uses less digits than its factorization.

443430013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384962064.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 443430013223 its reverse (322310034344), we get a palindrome (765740047567).

The spelling of 443430013223 in words is "four hundred forty-three billion, four hundred thirty million, thirteen thousand, two hundred twenty-three".