344144221003243 has 4 divisors (see below), whose sum is σ = 345386618913280. Its totient is φ = 342901823093208.

The previous prime is 344144221003147. The next prime is 344144221003279. The reversal of 344144221003243 is 342300122441443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344144221003243 - 2³⁷ = 344006782049771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344144221003043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621198954603 + ... + 621198955156.

It is an arithmetic number, because the mean of its divisors is an integer number (86346654728320).

Almost surely, 2^{344144221003243} is an apocalyptic number.

344144221003243 is a deficient number, since it is larger than the sum of its proper divisors (1242397910037).

344144221003243 is a wasteful number, since it uses less digits than its factorization.

344144221003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242397910036.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 344144221003243 its reverse (342300122441443), we get a palindrome (686444343444686).

The spelling of 344144221003243 in words is "three hundred forty-four trillion, one hundred forty-four billion, two hundred twenty-one million, three thousand, two hundred forty-three".