68321356232 has 16 divisors (see below), whose sum is σ = 129541898700. Its totient is φ = 33776849920.

The previous prime is 68321356231. The next prime is 68321356237. The reversal of 68321356232 is 23265312386.

It can be written as a sum of positive squares in 2 ways, for example, as 62263224676 + 6058131556 = 249526^2 + 77834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68321356232.

It is not an unprimeable number, because it can be changed into a prime (68321356231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47977769 + ... + 47979192.

Almost surely, 2^68321356232 is an apocalyptic number.

It is an amenable number.

68321356232 is a deficient number, since it is larger than the sum of its proper divisors (61220542468).

68321356232 is a wasteful number, since it uses less digits than its factorization.

68321356232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95957056 (or 95957052 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 68321356232 in words is "sixty-eight billion, three hundred twenty-one million, three hundred fifty-six thousand, two hundred thirty-two".