243120517763272 has 64 divisors (see below), whose sum is σ = 473197960368000. Its totient is φ = 116963968902144.

The previous prime is 243120517763269. The next prime is 243120517763273. The reversal of 243120517763272 is 272367715021342.

It is not an unprimeable number, because it can be changed into a prime (243120517763273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84819328 + ... + 87638800.

It is an arithmetic number, because the mean of its divisors is an integer number (7393718130750).

Almost surely, 2^{243120517763272} is an apocalyptic number.

It is an amenable number.

243120517763272 is a deficient number, since it is larger than the sum of its proper divisors (230077442604728).

243120517763272 is a wasteful number, since it uses less digits than its factorization.

243120517763272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820790 (or 2820786 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 243120517763272 in words is "two hundred forty-three trillion, one hundred twenty billion, five hundred seventeen million, seven hundred sixty-three thousand, two hundred seventy-two".