344321243 has 4 divisors (see below), whose sum is σ = 393510000. Its totient is φ = 295132488.

The previous prime is 344321233. The next prime is 344321251. The reversal of 344321243 is 342123443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342123443 = 19 ⋅18006497.

It is not a de Polignac number, because 344321243 - 2⁸ = 344320987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344321203) 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, 24594368 + ... + 24594381.

It is an arithmetic number, because the mean of its divisors is an integer number (98377500).

Almost surely, 2^344321243 is an apocalyptic number.

344321243 is a deficient number, since it is larger than the sum of its proper divisors (49188757).

344321243 is an equidigital number, since it uses as much as digits as its factorization.

344321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49188756.

The product of its digits is 6912, while the sum is 26.

The square root of 344321243 is about 18555.8951010184. The cubic root of 344321243 is about 700.8976531539.

Adding to 344321243 its reverse (342123443), we get a palindrome (686444686).

The spelling of 344321243 in words is "three hundred forty-four million, three hundred twenty-one thousand, two hundred forty-three".