8091923 has 8 divisors (see below), whose sum is σ = 9265248. Its totient is φ = 6922944.

The previous prime is 8091913. The next prime is 8091931. The reversal of 8091923 is 3291908.

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

It is not a de Polignac number, because 8091923 - 2⁴ = 8091907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8091923.

It is not an unprimeable number, because it can be changed into a prime (8091913) 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, 6065 + ... + 7277.

It is an arithmetic number, because the mean of its divisors is an integer number (1158156).

Almost surely, 2^8091923 is an apocalyptic number.

8091923 is a deficient number, since it is larger than the sum of its proper divisors (1173325).

8091923 is a wasteful number, since it uses less digits than its factorization.

8091923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 8091923 is about 2844.6305559773. The cubic root of 8091923 is about 200.7631096154.

The spelling of 8091923 in words is "eight million, ninety-one thousand, nine hundred twenty-three".