680192723 has 16 divisors (see below), whose sum is σ = 819114240. Its totient is φ = 551772000.

The previous prime is 680192717. The next prime is 680192759. The reversal of 680192723 is 327291086.

680192723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 680192723 - 2⁶ = 680192659 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (680192713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171068 + ... + 174998.

It is an arithmetic number, because the mean of its divisors is an integer number (51194640).

Almost surely, 2^680192723 is an apocalyptic number.

680192723 is a deficient number, since it is larger than the sum of its proper divisors (138921517).

680192723 is a wasteful number, since it uses less digits than its factorization.

680192723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 680192723 is about 26080.5046538597. The cubic root of 680192723 is about 879.4490020948.

The spelling of 680192723 in words is "six hundred eighty million, one hundred ninety-two thousand, seven hundred twenty-three".