243013344 has 144 divisors (see below), whose sum is σ = 781401600. Its totient is φ = 65753856.

The previous prime is 243013307. The next prime is 243013361. The reversal of 243013344 is 443310342.

243013344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88017 + ... + 90735.

It is an arithmetic number, because the mean of its divisors is an integer number (5426400).

Almost surely, 2^243013344 is an apocalyptic number.

243013344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243013344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390700800).

243013344 is an abundant number, since it is smaller than the sum of its proper divisors (538388256).

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

243013344 is a wasteful number, since it uses less digits than its factorization.

243013344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 243013344 is about 15588.8852712437. The cubic root of 243013344 is about 624.0365691915.

Adding to 243013344 its reverse (443310342), we get a palindrome (686323686).

The spelling of 243013344 in words is "two hundred forty-three million, thirteen thousand, three hundred forty-four".