680123296 has 12 divisors (see below), whose sum is σ = 1338992802. Its totient is φ = 340061632.

The previous prime is 680123287. The next prime is 680123333. The reversal of 680123296 is 692321086.

It can be written as a sum of positive squares in only one way, i.e., 677873296 + 2250000 = 26036^2 + 1500^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10626895 + ... + 10626958.

Almost surely, 2^680123296 is an apocalyptic number.

It is an amenable number.

680123296 is a deficient number, since it is larger than the sum of its proper divisors (658869506).

680123296 is a wasteful number, since it uses less digits than its factorization.

680123296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253863 (or 21253855 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 680123296 is about 26079.1736065390. The cubic root of 680123296 is about 879.4190794071.

The spelling of 680123296 in words is "six hundred eighty million, one hundred twenty-three thousand, two hundred ninety-six".