8078723 has 4 divisors (see below), whose sum is σ = 8553960. Its totient is φ = 7603488.

The previous prime is 8078701. The next prime is 8078747. The reversal of 8078723 is 3278708.

It is a happy number.

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

It is not a de Polignac number, because 8078723 - 2⁸ = 8078467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8078923) 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, 237593 + ... + 237626.

It is an arithmetic number, because the mean of its divisors is an integer number (2138490).

Almost surely, 2^8078723 is an apocalyptic number.

8078723 is a deficient number, since it is larger than the sum of its proper divisors (475237).

8078723 is a wasteful number, since it uses less digits than its factorization.

8078723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475236.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 8078723 is about 2842.3094483184. The cubic root of 8078723 is about 200.6538848432.

The spelling of 8078723 in words is "eight million, seventy-eight thousand, seven hundred twenty-three".