443223121323 has 8 divisors (see below), whose sum is σ = 606936166288. Its totient is φ = 287496078624.

The previous prime is 443223121277. The next prime is 443223121351. The reversal of 443223121323 is 323121322344.

It is a happy number.

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

It is not a de Polignac number, because 443223121323 - 2⁶ = 443223121259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443223121373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996500436 + ... + 1996500657.

It is an arithmetic number, because the mean of its divisors is an integer number (75867020786).

Almost surely, 2^443223121323 is an apocalyptic number.

443223121323 is a deficient number, since it is larger than the sum of its proper divisors (163713044965).

443223121323 is a wasteful number, since it uses less digits than its factorization.

443223121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993001133.

The product of its digits is 20736, while the sum is 30.

Adding to 443223121323 its reverse (323121322344), we get a palindrome (766344443667).

The spelling of 443223121323 in words is "four hundred forty-three billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-three".