682123018 has 16 divisors (see below), whose sum is σ = 1049669280. Its totient is φ = 332274096.

The previous prime is 682122979. The next prime is 682123019. The reversal of 682123018 is 810321286.

It is not an unprimeable number, because it can be changed into a prime (682123019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24153 + ... + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (65604330).

Almost surely, 2^682123018 is an apocalyptic number.

682123018 is a deficient number, since it is larger than the sum of its proper divisors (367546262).

682123018 is a wasteful number, since it uses less digits than its factorization.

682123018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20421.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 682123018 is about 26117.4849095391. The cubic root of 682123018 is about 880.2801355035.

The spelling of 682123018 in words is "six hundred eighty-two million, one hundred twenty-three thousand, eighteen".