344223322493 has 2 divisors, whose sum is σ = 344223322494. Its totient is φ = 344223322492.

The previous prime is 344223322403. The next prime is 344223322511. The reversal of 344223322493 is 394223322443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202465801444 + 141757521049 = 449962^2 + 376507^2 .

It is an emirp because it is prime and its reverse (394223322443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344223322493 - 2¹⁰ = 344223321469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344223322493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344223322403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172111661246 + 172111661247.

It is an arithmetic number, because the mean of its divisors is an integer number (172111661247).

Almost surely, 2^344223322493 is an apocalyptic number.

It is an amenable number.

344223322493 is a deficient number, since it is larger than the sum of its proper divisors (1).

344223322493 is an equidigital number, since it uses as much as digits as its factorization.

344223322493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 41.

The spelling of 344223322493 in words is "three hundred forty-four billion, two hundred twenty-three million, three hundred twenty-two thousand, four hundred ninety-three".