243483663 has 4 divisors (see below), whose sum is σ = 324644888. Its totient is φ = 162322440.

The previous prime is 243483649. The next prime is 243483671. The reversal of 243483663 is 366384342.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 243483663 - 2⁵ = 243483631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243483763) 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, 40580608 + ... + 40580613.

It is an arithmetic number, because the mean of its divisors is an integer number (81161222).

Almost surely, 2^243483663 is an apocalyptic number.

243483663 is a deficient number, since it is larger than the sum of its proper divisors (81161225).

243483663 is an equidigital number, since it uses as much as digits as its factorization.

243483663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81161224.

The product of its digits is 248832, while the sum is 39.

The square root of 243483663 is about 15603.9630543013. The cubic root of 243483663 is about 624.4388888242.

The spelling of 243483663 in words is "two hundred forty-three million, four hundred eighty-three thousand, six hundred sixty-three".