8040723 has 4 divisors (see below), whose sum is σ = 10720968. Its totient is φ = 5360480.

The previous prime is 8040709. The next prime is 8040727. The reversal of 8040723 is 3270408.

8040723 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8040723 - 2⁴ = 8040707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8040693 and 8040702.

It is not an unprimeable number, because it can be changed into a prime (8040727) 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, 1340118 + ... + 1340123.

It is an arithmetic number, because the mean of its divisors is an integer number (2680242).

Almost surely, 2^8040723 is an apocalyptic number.

8040723 is a deficient number, since it is larger than the sum of its proper divisors (2680245).

8040723 is a wasteful number, since it uses less digits than its factorization.

8040723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680244.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 8040723 is about 2835.6168641056. The cubic root of 8040723 is about 200.3387841358.

The spelling of 8040723 in words is "eight million, forty thousand, seven hundred twenty-three".