344223679 has 2 divisors, whose sum is σ = 344223680. Its totient is φ = 344223678.

The previous prime is 344223571. The next prime is 344223731. The reversal of 344223679 is 976322443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344223679 - 2¹⁷ = 344092607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344223179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172111839 + 172111840.

It is an arithmetic number, because the mean of its divisors is an integer number (172111840).

Almost surely, 2^344223679 is an apocalyptic number.

344223679 is a deficient number, since it is larger than the sum of its proper divisors (1).

344223679 is an equidigital number, since it uses as much as digits as its factorization.

344223679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 344223679 is about 18553.2659928111. The cubic root of 344223679 is about 700.8314467262.

The spelling of 344223679 in words is "three hundred forty-four million, two hundred twenty-three thousand, six hundred seventy-nine".