1323111013267 has 2 divisors, whose sum is σ = 1323111013268. Its totient is φ = 1323111013266.

The previous prime is 1323111013253. The next prime is 1323111013297. The reversal of 1323111013267 is 7623101113231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323111013267 - 2³¹ = 1320963529619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323111013297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661555506633 + 661555506634.

It is an arithmetic number, because the mean of its divisors is an integer number (661555506634).

Almost surely, 2^{1323111013267} is an apocalyptic number.

1323111013267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323111013267 is an equidigital number, since it uses as much as digits as its factorization.

1323111013267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 1323111013267 its reverse (7623101113231), we get a palindrome (8946212126498).

The spelling of 1323111013267 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, thirteen thousand, two hundred sixty-seven".