243233242320 has 40 divisors (see below), whose sum is σ = 754023051936. Its totient is φ = 64862197888.

The previous prime is 243233242237. The next prime is 243233242321. The reversal of 243233242320 is 23242332342.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243233242321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506735682 + ... + 506736161.

Almost surely, 2^243233242320 is an apocalyptic number.

243233242320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243233242320 is an abundant number, since it is smaller than the sum of its proper divisors (510789809616).

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

243233242320 is a wasteful number, since it uses less digits than its factorization.

243233242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013471859 (or 1013471853 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 243233242320 its reverse (23242332342), we get a palindrome (266475574662).

The spelling of 243233242320 in words is "two hundred forty-three billion, two hundred thirty-three million, two hundred forty-two thousand, three hundred twenty".