8681923 has 2 divisors, whose sum is σ = 8681924. Its totient is φ = 8681922.

The previous prime is 8681899. The next prime is 8681941. The reversal of 8681923 is 3291868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8681923 - 2²¹ = 6584771 is a prime.

It is not a weakly prime, because it can be changed into another prime (8681623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340961 + 4340962.

It is an arithmetic number, because the mean of its divisors is an integer number (4340962).

Almost surely, 2^8681923 is an apocalyptic number.

8681923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8681923 is an equidigital number, since it uses as much as digits as its factorization.

8681923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 8681923 is about 2946.5103088230. The cubic root of 8681923 is about 205.5284639999.

It can be divided in two parts, 8681 and 923, that added together give a square (9604 = 98²).

The spelling of 8681923 in words is "eight million, six hundred eighty-one thousand, nine hundred twenty-three".