1323119985947 has 2 divisors, whose sum is σ = 1323119985948. Its totient is φ = 1323119985946.

The previous prime is 1323119985931. The next prime is 1323119985959. The reversal of 1323119985947 is 7495899113231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323119985947 - 2⁴ = 1323119985931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323119985947.

It is not a weakly prime, because it can be changed into another prime (1323119988947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661559992973 + 661559992974.

It is an arithmetic number, because the mean of its divisors is an integer number (661559992974).

Almost surely, 2^{1323119985947} is an apocalyptic number.

1323119985947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323119985947 is an equidigital number, since it uses as much as digits as its factorization.

1323119985947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 62.

The spelling of 1323119985947 in words is "one trillion, three hundred twenty-three billion, one hundred nineteen million, nine hundred eighty-five thousand, nine hundred forty-seven".