1344223169 has 2 divisors, whose sum is σ = 1344223170. Its totient is φ = 1344223168.

The previous prime is 1344223163. The next prime is 1344223249. The reversal of 1344223169 is 9613224431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111355569 + 232867600 = 33337^2 + 15260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344223169 - 2²⁰ = 1343174593 is a prime.

It is a super-2 number, since 2×1344223169² = 3613871856152805122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344223163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672111584 + 672111585.

It is an arithmetic number, because the mean of its divisors is an integer number (672111585).

Almost surely, 2^1344223169 is an apocalyptic number.

It is an amenable number.

1344223169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344223169 is an equidigital number, since it uses as much as digits as its factorization.

1344223169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 1344223169 is about 36663.6491500778. The cubic root of 1344223169 is about 1103.6307491510.

The spelling of 1344223169 in words is "one billion, three hundred forty-four million, two hundred twenty-three thousand, one hundred sixty-nine".