22443204323 has 4 divisors (see below), whose sum is σ = 23167178688. Its totient is φ = 21719229960.

The previous prime is 22443204319. The next prime is 22443204349. The reversal of 22443204323 is 32340234422.

It is a happy number.

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 22443204323 - 2² = 22443204319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22443204353) 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 3 ways as a sum of consecutive naturals, for example, 361987136 + ... + 361987197.

It is an arithmetic number, because the mean of its divisors is an integer number (5791794672).

Almost surely, 2^22443204323 is an apocalyptic number.

22443204323 is a deficient number, since it is larger than the sum of its proper divisors (723974365).

22443204323 is an equidigital number, since it uses as much as digits as its factorization.

22443204323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723974364.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 22443204323 its reverse (32340234422), we get a palindrome (54783438745).

The spelling of 22443204323 in words is "twenty-two billion, four hundred forty-three million, two hundred four thousand, three hundred twenty-three".