1323332209987 has 2 divisors, whose sum is σ = 1323332209988. Its totient is φ = 1323332209986.

The previous prime is 1323332209981. The next prime is 1323332210021. The reversal of 1323332209987 is 7899022333231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323332209987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323332209981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661666104993 + 661666104994.

It is an arithmetic number, because the mean of its divisors is an integer number (661666104994).

Almost surely, 2^{1323332209987} is an apocalyptic number.

1323332209987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323332209987 is an equidigital number, since it uses as much as digits as its factorization.

1323332209987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 1323332209987 in words is "one trillion, three hundred twenty-three billion, three hundred thirty-two million, two hundred nine thousand, nine hundred eighty-seven".