243315356 has 12 divisors (see below), whose sum is σ = 450849168. Its totient is φ = 114501312.

The previous prime is 243315353. The next prime is 243315377. The reversal of 243315356 is 653513342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243315353) 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, 1789016 + ... + 1789151.

It is an arithmetic number, because the mean of its divisors is an integer number (37570764).

Almost surely, 2^243315356 is an apocalyptic number.

It is an amenable number.

243315356 is a deficient number, since it is larger than the sum of its proper divisors (207533812).

243315356 is a wasteful number, since it uses less digits than its factorization.

243315356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578188 (or 3578186 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 243315356 is about 15598.5690369341. The cubic root of 243315356 is about 624.2949754570.

Adding to 243315356 its reverse (653513342), we get a palindrome (896828698).

The spelling of 243315356 in words is "two hundred forty-three million, three hundred fifteen thousand, three hundred fifty-six".