243872363 has 6 divisors (see below), whose sum is σ = 283688316. Its totient is φ = 209033412.

The previous prime is 243872359. The next prime is 243872389. The reversal of 243872363 is 363278342.

243872363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243872363 - 2² = 243872359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243872333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2488445 + ... + 2488542.

It is an arithmetic number, because the mean of its divisors is an integer number (47281386).

Almost surely, 2^243872363 is an apocalyptic number.

243872363 is a deficient number, since it is larger than the sum of its proper divisors (39815953).

243872363 is an equidigital number, since it uses as much as digits as its factorization.

243872363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977001 (or 4976994 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 243872363 is about 15616.4132565708. The cubic root of 243872363 is about 624.7709991974.

The spelling of 243872363 in words is "two hundred forty-three million, eight hundred seventy-two thousand, three hundred sixty-three".