243213122432 has 64 divisors (see below), whose sum is σ = 577820044800. Its totient is φ = 99702265344.

The previous prime is 243213122371. The next prime is 243213122441. The reversal of 243213122432 is 234221312342.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 243213122395 and 243213122404.

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, 5880332 + ... + 5921547.

It is an arithmetic number, because the mean of its divisors is an integer number (9028438200).

Almost surely, 2^243213122432 is an apocalyptic number.

It is an amenable number.

243213122432 is an abundant number, since it is smaller than the sum of its proper divisors (334606922368).

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

243213122432 is a wasteful number, since it uses less digits than its factorization.

243213122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801923 (or 11801911 counting only the distinct ones).

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

Adding to 243213122432 its reverse (234221312342), we get a palindrome (477434434774).

The spelling of 243213122432 in words is "two hundred forty-three billion, two hundred thirteen million, one hundred twenty-two thousand, four hundred thirty-two".