243443330412 has 24 divisors (see below), whose sum is σ = 568248139200. Its totient is φ = 81117248016.

The previous prime is 243443330401. The next prime is 243443330479. The reversal of 243443330412 is 214033344342.

It is a happy 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, 3782862 + ... + 3846677.

It is an arithmetic number, because the mean of its divisors is an integer number (23677005800).

Almost surely, 2^243443330412 is an apocalyptic number.

It is an amenable number.

243443330412 is an abundant number, since it is smaller than the sum of its proper divisors (324804808788).

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

243443330412 is a wasteful number, since it uses less digits than its factorization.

243443330412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632205 (or 7632203 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 243443330412 its reverse (214033344342), we get a palindrome (457476674754).

The spelling of 243443330412 in words is "two hundred forty-three billion, four hundred forty-three million, three hundred thirty thousand, four hundred twelve".