243124321232 has 40 divisors (see below), whose sum is σ = 516859746984. Its totient is φ = 110094027264.

The previous prime is 243124321217. The next prime is 243124321243. The reversal of 243124321232 is 232123421342.

It can be written as a sum of positive squares in 4 ways, for example, as 379456 + 243123941776 = 616^2 + 493076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243124321195 and 243124321204.

It is a congruent number.

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, 11016023 + ... + 11038070.

Almost surely, 2^243124321232 is an apocalyptic number.

It is an amenable number.

243124321232 is an abundant number, since it is smaller than the sum of its proper divisors (273735425752).

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

243124321232 is a wasteful number, since it uses less digits than its factorization.

243124321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22054167 (or 22054161 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 243124321232 its reverse (232123421342), we get a palindrome (475247742574).

The spelling of 243124321232 in words is "two hundred forty-three billion, one hundred twenty-four million, three hundred twenty-one thousand, two hundred thirty-two".