344223193 has 2 divisors, whose sum is σ = 344223194. Its totient is φ = 344223192.

The previous prime is 344223179. The next prime is 344223277. The reversal of 344223193 is 391322443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271854144 + 72369049 = 16488^2 + 8507^2 .

It is an emirp because it is prime and its reverse (391322443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344223193 is a prime.

It is not a weakly prime, because it can be changed into another prime (344220193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172111596 + 172111597.

It is an arithmetic number, because the mean of its divisors is an integer number (172111597).

Almost surely, 2^344223193 is an apocalyptic number.

It is an amenable number.

344223193 is a deficient number, since it is larger than the sum of its proper divisors (1).

344223193 is an equidigital number, since it uses as much as digits as its factorization.

344223193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 344223193 is about 18553.2528953820. The cubic root of 344223193 is about 700.8311168978.

The spelling of 344223193 in words is "three hundred forty-four million, two hundred twenty-three thousand, one hundred ninety-three".