8340723 has 6 divisors (see below), whose sum is σ = 12047724. Its totient is φ = 5560476.

The previous prime is 8340721. The next prime is 8340733. The reversal of 8340723 is 3270438.

It is not a de Polignac number, because 8340723 - 2¹ = 8340721 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8340721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463365 + ... + 463382.

It is an arithmetic number, because the mean of its divisors is an integer number (2007954).

Almost surely, 2^8340723 is an apocalyptic number.

8340723 is a deficient number, since it is larger than the sum of its proper divisors (3707001).

8340723 is a wasteful number, since it uses less digits than its factorization.

8340723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926753 (or 926750 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 8340723 is about 2888.0309901384. The cubic root of 8340723 is about 202.7999760746.

The spelling of 8340723 in words is "eight million, three hundred forty thousand, seven hundred twenty-three".