8040023 has 4 divisors (see below), whose sum is σ = 8066520. Its totient is φ = 8013528.

The previous prime is 8040017. The next prime is 8040029. The reversal of 8040023 is 3200408.

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

It is an interprime number because it is at equal distance from previous prime (8040017) and next prime (8040029).

It is a cyclic number.

It is not a de Polignac number, because 8040023 - 2⁶ = 8039959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8039983 and 8040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040029) 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, 12788 + ... + 13401.

It is an arithmetic number, because the mean of its divisors is an integer number (2016630).

Almost surely, 2^8040023 is an apocalyptic number.

8040023 is a deficient number, since it is larger than the sum of its proper divisors (26497).

8040023 is a wasteful number, since it uses less digits than its factorization.

8040023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26496.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 8040023 is about 2835.4934314860. The cubic root of 8040023 is about 200.3329703461.

The spelling of 8040023 in words is "eight million, forty thousand, twenty-three".