323503540427663 has 2 divisors, whose sum is σ = 323503540427664. Its totient is φ = 323503540427662.

The previous prime is 323503540427629. The next prime is 323503540427671. The reversal of 323503540427663 is 366724045305323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323503540427663 - 2¹⁰ = 323503540426639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323503540457663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161751770213831 + 161751770213832.

It is an arithmetic number, because the mean of its divisors is an integer number (161751770213832).

Almost surely, 2^{323503540427663} is an apocalyptic number.

323503540427663 is a deficient number, since it is larger than the sum of its proper divisors (1).

323503540427663 is an equidigital number, since it uses as much as digits as its factorization.

323503540427663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 53.

The spelling of 323503540427663 in words is "three hundred twenty-three trillion, five hundred three billion, five hundred forty million, four hundred twenty-seven thousand, six hundred sixty-three".