243343456 has 36 divisors (see below), whose sum is σ = 486075492. Its totient is φ = 119920896.

The previous prime is 243343453. The next prime is 243343489. The reversal of 243343456 is 654343342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243343453) 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, 169815 + ... + 171241.

It is an arithmetic number, because the mean of its divisors is an integer number (13502097).

Almost surely, 2^243343456 is an apocalyptic number.

It is an amenable number.

243343456 is a deficient number, since it is larger than the sum of its proper divisors (242732036).

243343456 is an equidigital number, since it uses as much as digits as its factorization.

243343456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1502 counting only the distinct ones).

The product of its digits is 103680, while the sum is 34.

The square root of 243343456 is about 15599.4697345775. The cubic root of 243343456 is about 624.3190073880.

Adding to 243343456 its reverse (654343342), we get a palindrome (897686798).

The spelling of 243343456 in words is "two hundred forty-three million, three hundred forty-three thousand, four hundred fifty-six".