8221450243323 has 4 divisors (see below), whose sum is σ = 10961933657768. Its totient is φ = 5480966828880.

The previous prime is 8221450243261. The next prime is 8221450243327. The reversal of 8221450243323 is 3233420541228.

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

It is not a de Polignac number, because 8221450243323 - 2¹⁷ = 8221450112251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8221450243327) 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, 1370241707218 + ... + 1370241707223.

It is an arithmetic number, because the mean of its divisors is an integer number (2740483414442).

Almost surely, 2^{8221450243323} is an apocalyptic number.

8221450243323 is a deficient number, since it is larger than the sum of its proper divisors (2740483414445).

8221450243323 is a wasteful number, since it uses less digits than its factorization.

8221450243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740483414444.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 8221450243323 in words is "eight trillion, two hundred twenty-one billion, four hundred fifty million, two hundred forty-three thousand, three hundred twenty-three".