343240243 has 8 divisors (see below), whose sum is σ = 350161056. Its totient is φ = 336336000.

The previous prime is 343240207. The next prime is 343240253. The reversal of 343240243 is 342042343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343240243 - 2¹³ = 343232051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343240253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43018 + ... + 50368.

It is an arithmetic number, because the mean of its divisors is an integer number (43770132).

Almost surely, 2^343240243 is an apocalyptic number.

343240243 is a deficient number, since it is larger than the sum of its proper divisors (6920813).

343240243 is an equidigital number, since it uses as much as digits as its factorization.

343240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 343240243 is about 18526.7439934814. The cubic root of 343240243 is about 700.1633924706.

Adding to 343240243 its reverse (342042343), we get a palindrome (685282586).

The spelling of 343240243 in words is "three hundred forty-three million, two hundred forty thousand, two hundred forty-three".