683680523 has 2 divisors, whose sum is σ = 683680524. Its totient is φ = 683680522.

The previous prime is 683680511. The next prime is 683680559. The reversal of 683680523 is 325086386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683680523 - 2¹⁰ = 683679499 is a prime.

It is not a weakly prime, because it can be changed into another prime (683680573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341840261 + 341840262.

It is an arithmetic number, because the mean of its divisors is an integer number (341840262).

Almost surely, 2^683680523 is an apocalyptic number.

683680523 is a deficient number, since it is larger than the sum of its proper divisors (1).

683680523 is an equidigital number, since it uses as much as digits as its factorization.

683680523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 683680523 is about 26147.2851936869. The cubic root of 683680523 is about 880.9496132418.

The spelling of 683680523 in words is "six hundred eighty-three million, six hundred eighty thousand, five hundred twenty-three".