1323111013397 has 2 divisors, whose sum is σ = 1323111013398. Its totient is φ = 1323111013396.

The previous prime is 1323111013321. The next prime is 1323111013493. The reversal of 1323111013397 is 7933101113231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1300589708356 + 22521305041 = 1140434^2 + 150071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323111013397 - 2¹⁰ = 1323111012373 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661555506698 + 661555506699.

It is an arithmetic number, because the mean of its divisors is an integer number (661555506699).

Almost surely, 2^{1323111013397} is an apocalyptic number.

It is an amenable number.

1323111013397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323111013397 is an equidigital number, since it uses as much as digits as its factorization.

1323111013397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 1323111013397 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, thirteen thousand, three hundred ninety-seven".