344243421005303 has 4 divisors (see below), whose sum is σ = 344245679720880. Its totient is φ = 344241162289728.

The previous prime is 344243421005279. The next prime is 344243421005357. The reversal of 344243421005303 is 303500124342443.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344243421005303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344243421004303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129129163 + ... + 1129433996.

It is an arithmetic number, because the mean of its divisors is an integer number (86061419930220).

Almost surely, 2^{344243421005303} is an apocalyptic number.

344243421005303 is a deficient number, since it is larger than the sum of its proper divisors (2258715577).

344243421005303 is a wasteful number, since it uses less digits than its factorization.

344243421005303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258715576.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 344243421005303 its reverse (303500124342443), we get a palindrome (647743545347746).

The spelling of 344243421005303 in words is "three hundred forty-four trillion, two hundred forty-three billion, four hundred twenty-one million, five thousand, three hundred three".