243320512232 has 32 divisors (see below), whose sum is σ = 522527289600. Its totient is φ = 104054981184.

The previous prime is 243320512147. The next prime is 243320512241. The reversal of 243320512232 is 232215023342.

It is a junction number, because it is equal to n+sod(n) for n = 243320512195 and 243320512204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4666307 + ... + 4718162.

It is an arithmetic number, because the mean of its divisors is an integer number (16328977800).

Almost surely, 2^243320512232 is an apocalyptic number.

It is an amenable number.

243320512232 is an abundant number, since it is smaller than the sum of its proper divisors (279206777368).

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

243320512232 is a wasteful number, since it uses less digits than its factorization.

243320512232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384945 (or 9384941 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243320512232 its reverse (232215023342), we get a palindrome (475535535574).

The spelling of 243320512232 in words is "two hundred forty-three billion, three hundred twenty million, five hundred twelve thousand, two hundred thirty-two".