243443120 has 40 divisors (see below), whose sum is σ = 566682480. Its totient is φ = 97260800.

The previous prime is 243443113. The next prime is 243443141. The reversal of 243443120 is 21344342.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102911 + ... + 105249.

It is an arithmetic number, because the mean of its divisors is an integer number (14167062).

Almost surely, 2^243443120 is an apocalyptic number.

243443120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243443120 is an abundant number, since it is smaller than the sum of its proper divisors (323239360).

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

243443120 is a wasteful number, since it uses less digits than its factorization.

243443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 243443120 is about 15602.6638751208. The cubic root of 243443120 is about 624.4042280029.

Adding to 243443120 its reverse (21344342), we get a palindrome (264787462).

It can be divided in two parts, 2434 and 43120, that added together give a palindrome (45554).

The spelling of 243443120 in words is "two hundred forty-three million, four hundred forty-three thousand, one hundred twenty".