686083723 has 12 divisors (see below), whose sum is σ = 766890048. Its totient is φ = 612874080.

The previous prime is 686083703. The next prime is 686083729. The reversal of 686083723 is 327380686.

686083723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 686083723 - 2⁵ = 686083691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 686083723.

It is not an unprimeable number, because it can be changed into a prime (686083729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60240 + ... + 70717.

It is an arithmetic number, because the mean of its divisors is an integer number (63907504).

Almost surely, 2^686083723 is an apocalyptic number.

686083723 is a deficient number, since it is larger than the sum of its proper divisors (80806325).

686083723 is a wasteful number, since it uses less digits than its factorization.

686083723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131014 (or 131001 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 686083723 is about 26193.1999381519. The cubic root of 686083723 is about 881.9806125043.

The spelling of 686083723 in words is "six hundred eighty-six million, eighty-three thousand, seven hundred twenty-three".