1323103121279 has 2 divisors, whose sum is σ = 1323103121280. Its totient is φ = 1323103121278.

The previous prime is 1323103121237. The next prime is 1323103121281. The reversal of 1323103121279 is 9721213013231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323103121279 - 2⁸ = 1323103121023 is a prime.

Together with 1323103121281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323103120279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661551560639 + 661551560640.

It is an arithmetic number, because the mean of its divisors is an integer number (661551560640).

Almost surely, 2^{1323103121279} is an apocalyptic number.

1323103121279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323103121279 is an equidigital number, since it uses as much as digits as its factorization.

1323103121279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 1323103121279 in words is "one trillion, three hundred twenty-three billion, one hundred three million, one hundred twenty-one thousand, two hundred seventy-nine".