243255343 has 8 divisors (see below), whose sum is σ = 249176576. Its totient is φ = 237346200.

The previous prime is 243255323. The next prime is 243255361. The reversal of 243255343 is 343552342.

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 243255343 - 2²¹ = 241158191 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 (243255323) 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, 47938 + ... + 52768.

It is an arithmetic number, because the mean of its divisors is an integer number (31147072).

Almost surely, 2^243255343 is an apocalyptic number.

243255343 is a deficient number, since it is larger than the sum of its proper divisors (5921233).

243255343 is a wasteful number, since it uses less digits than its factorization.

243255343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045.

The product of its digits is 43200, while the sum is 31.

The square root of 243255343 is about 15596.6452482577. The cubic root of 243255343 is about 624.2436444112.

It can be divided in two parts, 2432 and 55343, that added together give a palindrome (57775).

The spelling of 243255343 in words is "two hundred forty-three million, two hundred fifty-five thousand, three hundred forty-three".