243121225230 has 48 divisors (see below), whose sum is σ = 680739433920. Its totient is φ = 59845224384.

The previous prime is 243121225211. The next prime is 243121225241. The reversal of 243121225230 is 32522121342.

243121225230 is a `hidden beast` number, since 2 + 4 + 3 + 12 + 122 + 523 + 0 = 666.

243121225230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243121225194 and 243121225203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103896790 + ... + 103899129.

It is an arithmetic number, because the mean of its divisors is an integer number (14182071540).

Almost surely, 2^243121225230 is an apocalyptic number.

243121225230 is an abundant number, since it is smaller than the sum of its proper divisors (437618208690).

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

243121225230 is a wasteful number, since it uses less digits than its factorization.

243121225230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207795945 (or 207795942 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 243121225230 its reverse (32522121342), we get a palindrome (275643346572).

The spelling of 243121225230 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred twenty-five thousand, two hundred thirty".