1320023320079 has 2 divisors, whose sum is σ = 1320023320080. Its totient is φ = 1320023320078.

The previous prime is 1320023319997. The next prime is 1320023320097. The reversal of 1320023320079 is 9700233200231.

Together with next prime (1320023320097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320023320079 - 2³⁶ = 1251303843343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320023320579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660011660039 + 660011660040.

It is an arithmetic number, because the mean of its divisors is an integer number (660011660040).

Almost surely, 2^{1320023320079} is an apocalyptic number.

1320023320079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320023320079 is an equidigital number, since it uses as much as digits as its factorization.

1320023320079 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 32.

The spelling of 1320023320079 in words is "one trillion, three hundred twenty billion, twenty-three million, three hundred twenty thousand, seventy-nine".