8545223043273 has 8 divisors (see below), whose sum is σ = 13021292256448. Its totient is φ = 4882984596144.

The previous prime is 8545223043209. The next prime is 8545223043283. The reversal of 8545223043273 is 3723403225458.

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

It is not a de Polignac number, because 8545223043273 - 2⁶ = 8545223043209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8545223043283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203457691486 + ... + 203457691527.

It is an arithmetic number, because the mean of its divisors is an integer number (1627661532056).

Almost surely, 2^{8545223043273} is an apocalyptic number.

It is an amenable number.

8545223043273 is a deficient number, since it is larger than the sum of its proper divisors (4476069213175).

8545223043273 is a wasteful number, since it uses less digits than its factorization.

8545223043273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406915383023.

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 8545223043273 in words is "eight trillion, five hundred forty-five billion, two hundred twenty-three million, forty-three thousand, two hundred seventy-three".