443040223213 has 4 divisors (see below), whose sum is σ = 506331683680. Its totient is φ = 379748762748.

The previous prime is 443040223211. The next prime is 443040223229. The reversal of 443040223213 is 312322040344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 443040223213 - 2¹ = 443040223211 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 (443040223211) 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, 31645730223 + ... + 31645730236.

It is an arithmetic number, because the mean of its divisors is an integer number (126582920920).

Almost surely, 2^443040223213 is an apocalyptic number.

It is an amenable number.

443040223213 is a deficient number, since it is larger than the sum of its proper divisors (63291460467).

443040223213 is an equidigital number, since it uses as much as digits as its factorization.

443040223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63291460466.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 443040223213 its reverse (312322040344), we get a palindrome (755362263557).

The spelling of 443040223213 in words is "four hundred forty-three billion, forty million, two hundred twenty-three thousand, two hundred thirteen".