680086523 has 2 divisors, whose sum is σ = 680086524. Its totient is φ = 680086522.

The previous prime is 680086501. The next prime is 680086571. The reversal of 680086523 is 325680086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680086523 - 2²² = 675892219 is a prime.

It is not a weakly prime, because it can be changed into another prime (680086123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340043261 + 340043262.

It is an arithmetic number, because the mean of its divisors is an integer number (340043262).

Almost surely, 2^680086523 is an apocalyptic number.

680086523 is a deficient number, since it is larger than the sum of its proper divisors (1).

680086523 is an equidigital number, since it uses as much as digits as its factorization.

680086523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 680086523 is about 26078.4685708344. The cubic root of 680086523 is about 879.4032296042.

The spelling of 680086523 in words is "six hundred eighty million, eighty-six thousand, five hundred twenty-three".