1323680668 has 12 divisors (see below), whose sum is σ = 2318039080. Its totient is φ = 661383792.

The previous prime is 1323680641. The next prime is 1323680681. The reversal of 1323680668 is 8660863231.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 107571 + ... + 119242.

Almost surely, 2^1323680668 is an apocalyptic number.

It is an amenable number.

1323680668 is a deficient number, since it is larger than the sum of its proper divisors (994358412).

1323680668 is a wasteful number, since it uses less digits than its factorization.

1323680668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228276 (or 228274 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1323680668 is about 36382.4225141757. The cubic root of 1323680668 is about 1097.9799477207.

The spelling of 1323680668 in words is "one billion, three hundred twenty-three million, six hundred eighty thousand, six hundred sixty-eight".