43221043203233 has 4 divisors (see below), whose sum is σ = 49395477946560. Its totient is φ = 37046608459908.

The previous prime is 43221043203227. The next prime is 43221043203259. The reversal of 43221043203233 is 33230234012234.

It is a happy number.

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 43221043203233 - 2¹⁰ = 43221043202209 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 43221043203233.

It is not an unprimeable number, because it can be changed into a prime (43221043203223) 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, 3087217371653 + ... + 3087217371666.

It is an arithmetic number, because the mean of its divisors is an integer number (12348869486640).

Almost surely, 2^{43221043203233} is an apocalyptic number.

It is an amenable number.

43221043203233 is a deficient number, since it is larger than the sum of its proper divisors (6174434743327).

43221043203233 is an equidigital number, since it uses as much as digits as its factorization.

43221043203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174434743326.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 43221043203233 its reverse (33230234012234), we get a palindrome (76451277215467).

The spelling of 43221043203233 in words is "forty-three trillion, two hundred twenty-one billion, forty-three million, two hundred three thousand, two hundred thirty-three".