8642323 has 4 divisors (see below), whose sum is σ = 8653648. Its totient is φ = 8631000.

The previous prime is 8642303. The next prime is 8642329. The reversal of 8642323 is 3232468.

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 8642323 - 2²¹ = 6545171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8642291 and 8642300.

It is not an unprimeable number, because it can be changed into a prime (8642329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428 + ... + 6073.

It is an arithmetic number, because the mean of its divisors is an integer number (2163412).

Almost surely, 2^8642323 is an apocalyptic number.

8642323 is a deficient number, since it is larger than the sum of its proper divisors (11325).

8642323 is a wasteful number, since it uses less digits than its factorization.

8642323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324.

The product of its digits is 6912, while the sum is 28.

The square root of 8642323 is about 2939.7828151073. The cubic root of 8642323 is about 205.2155021113.

The spelling of 8642323 in words is "eight million, six hundred forty-two thousand, three hundred twenty-three".