243324540232 has 8 divisors (see below), whose sum is σ = 456233512950. Its totient is φ = 121662270112.

The previous prime is 243324540197. The next prime is 243324540257. The reversal of 243324540232 is 232045423342.

It can be written as a sum of positive squares in only one way, i.e., 194539216356 + 48785323876 = 441066^2 + 220874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×243324540232² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15207783757 + ... + 15207783772.

Almost surely, 2^243324540232 is an apocalyptic number.

It is an amenable number.

243324540232 is a deficient number, since it is larger than the sum of its proper divisors (212908972718).

243324540232 is a wasteful number, since it uses less digits than its factorization.

243324540232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30415567535 (or 30415567531 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 243324540232 its reverse (232045423342), we get a palindrome (475369963574).

The spelling of 243324540232 in words is "two hundred forty-three billion, three hundred twenty-four million, five hundred forty thousand, two hundred thirty-two".