243324036 has 36 divisors (see below), whose sum is σ = 636281100. Its totient is φ = 78310848.

The previous prime is 243324031. The next prime is 243324041. The reversal of 243324036 is 630423342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243324031) and next prime (243324041).

It can be written as a sum of positive squares in 2 ways, for example, as 88172100 + 155151936 = 9390^2 + 12456^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (243324031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115491 + ... + 117578.

It is an arithmetic number, because the mean of its divisors is an integer number (17674475).

Almost surely, 2^243324036 is an apocalyptic number.

It is an amenable number.

243324036 is an abundant number, since it is smaller than the sum of its proper divisors (392957064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243324036 is a wasteful number, since it uses less digits than its factorization.

243324036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233108 (or 233103 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 243324036 is about 15598.8472651026. The cubic root of 243324036 is about 624.3023990410.

Adding to 243324036 its reverse (630423342), we get a palindrome (873747378).

The spelling of 243324036 in words is "two hundred forty-three million, three hundred twenty-four thousand, thirty-six".