8555398323 has 4 divisors (see below), whose sum is σ = 11407197768. Its totient is φ = 5703598880.

The previous prime is 8555398289. The next prime is 8555398339. The reversal of 8555398323 is 3238935558.

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 8555398323 - 2¹⁷ = 8555267251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8555398363) 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, 1425899718 + ... + 1425899723.

It is an arithmetic number, because the mean of its divisors is an integer number (2851799442).

Almost surely, 2^8555398323 is an apocalyptic number.

8555398323 is a deficient number, since it is larger than the sum of its proper divisors (2851799445).

8555398323 is a wasteful number, since it uses less digits than its factorization.

8555398323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851799444.

The product of its digits is 3888000, while the sum is 51.

The square root of 8555398323 is about 92495.3962259744. The cubic root of 8555398323 is about 2045.2516173042.

The spelling of 8555398323 in words is "eight billion, five hundred fifty-five million, three hundred ninety-eight thousand, three hundred twenty-three".