243397403392 has 72 divisors (see below), whose sum is σ = 570781890000. Its totient is φ = 102124769280.

The previous prime is 243397403351. The next prime is 243397403527. The reversal of 243397403392 is 293304793342.

243397403392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287767 + ... + 3360982.

It is an arithmetic number, because the mean of its divisors is an integer number (7927526250).

Almost surely, 2^243397403392 is an apocalyptic number.

243397403392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243397403392 is an abundant number, since it is smaller than the sum of its proper divisors (327384486608).

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

243397403392 is a wasteful number, since it uses less digits than its factorization.

243397403392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648789 (or 6648775 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 49.

The spelling of 243397403392 in words is "two hundred forty-three billion, three hundred ninety-seven million, four hundred three thousand, three hundred ninety-two".