243823248 has 120 divisors (see below), whose sum is σ = 730274688. Its totient is φ = 75672576.

The previous prime is 243823211. The next prime is 243823249. The reversal of 243823248 is 842328342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (243823249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251661 + ... + 252627.

Almost surely, 2^243823248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243823248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365137344).

243823248 is an abundant number, since it is smaller than the sum of its proper divisors (486451440).

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

243823248 is a wasteful number, since it uses less digits than its factorization.

243823248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1092 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 243823248 is about 15614.8406331925. The cubic root of 243823248 is about 624.7290541850.

The spelling of 243823248 in words is "two hundred forty-three million, eight hundred twenty-three thousand, two hundred forty-eight".