243121300392 has 16 divisors (see below), whose sum is σ = 607803251040. Its totient is φ = 81040433456.

The previous prime is 243121300379. The next prime is 243121300397. The reversal of 243121300392 is 293003121342.

It is not an unprimeable number, because it can be changed into a prime (243121300397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5065027068 + ... + 5065027115.

It is an arithmetic number, because the mean of its divisors is an integer number (37987703190).

Almost surely, 2^243121300392 is an apocalyptic number.

It is an amenable number.

243121300392 is an abundant number, since it is smaller than the sum of its proper divisors (364681950648).

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

243121300392 is a wasteful number, since it uses less digits than its factorization.

243121300392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130054192 (or 10130054188 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 243121300392 in words is "two hundred forty-three billion, one hundred twenty-one million, three hundred thousand, three hundred ninety-two".