8163823 has 2 divisors, whose sum is σ = 8163824. Its totient is φ = 8163822.

The previous prime is 8163821. The next prime is 8163829. The reversal of 8163823 is 3283618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8163823 - 2¹ = 8163821 is a prime.

Together with 8163821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8163821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081911 + 4081912.

It is an arithmetic number, because the mean of its divisors is an integer number (4081912).

Almost surely, 2^8163823 is an apocalyptic number.

8163823 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163823 is an equidigital number, since it uses as much as digits as its factorization.

8163823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 8163823 is about 2857.2404519046. The cubic root of 8163823 is about 201.3559775149.

The spelling of 8163823 in words is "eight million, one hundred sixty-three thousand, eight hundred twenty-three".