1323655200663 has 16 divisors (see below), whose sum is σ = 1788625466496. Its totient is φ = 870638743520.

The previous prime is 1323655200661. The next prime is 1323655200683. The reversal of 1323655200663 is 3660025563231.

It is a cyclic number.

It is not a de Polignac number, because 1323655200663 - 2¹ = 1323655200661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323655200661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9666345 + ... + 9802322.

It is an arithmetic number, because the mean of its divisors is an integer number (111789091656).

Almost surely, 2^{1323655200663} is an apocalyptic number.

1323655200663 is a deficient number, since it is larger than the sum of its proper divisors (464970265833).

1323655200663 is a wasteful number, since it uses less digits than its factorization.

1323655200663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468974.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 1323655200663 in words is "one trillion, three hundred twenty-three billion, six hundred fifty-five million, two hundred thousand, six hundred sixty-three".