243305554112 has 28 divisors (see below), whose sum is σ = 482897047920. Its totient is φ = 121630707456.

The previous prime is 243305554111. The next prime is 243305554117. The reversal of 243305554112 is 211455503342.

It is not an unprimeable number, because it can be changed into a prime (243305554111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13589 + ... + 697707.

It is an arithmetic number, because the mean of its divisors is an integer number (17246323140).

Almost surely, 2^243305554112 is an apocalyptic number.

It is an amenable number.

243305554112 is a deficient number, since it is larger than the sum of its proper divisors (239591493808).

243305554112 is an equidigital number, since it uses as much as digits as its factorization.

243305554112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689688 (or 689678 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 243305554112 in words is "two hundred forty-three billion, three hundred five million, five hundred fifty-four thousand, one hundred twelve".