343231243 has 6 divisors (see below), whose sum is σ = 344293404. Its totient is φ = 342172296.

The previous prime is 343231237. The next prime is 343231267. The reversal of 343231243 is 342132343.

It is a de Polignac number, because none of the positive numbers 2^k-343231243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343231223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137896 + ... + 140362.

It is an arithmetic number, because the mean of its divisors is an integer number (57382234).

Almost surely, 2^343231243 is an apocalyptic number.

343231243 is a deficient number, since it is larger than the sum of its proper divisors (1062161).

343231243 is an frugal number, since it uses more digits than its factorization.

343231243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 2840 counting only the distinct ones).

The product of its digits is 5184, while the sum is 25.

The square root of 343231243 is about 18526.5010997760. The cubic root of 343231243 is about 700.1572728253.

Adding to 343231243 its reverse (342132343), we get a palindrome (685363586).

The spelling of 343231243 in words is "three hundred forty-three million, two hundred thirty-one thousand, two hundred forty-three".