1344323223209 has 2 divisors, whose sum is σ = 1344323223210. Its totient is φ = 1344323223208.

The previous prime is 1344323223179. The next prime is 1344323223227. The reversal of 1344323223209 is 9023223234431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194222768025 + 150100455184 = 1092805^2 + 387428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344323223209 - 2²⁰ = 1344322174633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344323220209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672161611604 + 672161611605.

It is an arithmetic number, because the mean of its divisors is an integer number (672161611605).

Almost surely, 2^{1344323223209} is an apocalyptic number.

It is an amenable number.

1344323223209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344323223209 is an equidigital number, since it uses as much as digits as its factorization.

1344323223209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 1344323223209 in words is "one trillion, three hundred forty-four billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred nine".