8042923 has 4 divisors (see below), whose sum is σ = 9191920. Its totient is φ = 6893928.

The previous prime is 8042917. The next prime is 8042959. The reversal of 8042923 is 3292408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8042923 is a prime.

It is a super-2 number, since 2×8042923² = 129377220767858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8042891 and 8042900.

It is not an unprimeable number, because it can be changed into a prime (8042623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574488 + ... + 574501.

It is an arithmetic number, because the mean of its divisors is an integer number (2297980).

Almost surely, 2^8042923 is an apocalyptic number.

8042923 is a deficient number, since it is larger than the sum of its proper divisors (1148997).

8042923 is a wasteful number, since it uses less digits than its factorization.

8042923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148996.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8042923 is about 2836.0047602217. The cubic root of 8042923 is about 200.3570538501.

The spelling of 8042923 in words is "eight million, forty-two thousand, nine hundred twenty-three".