243223020330 has 64 divisors (see below), whose sum is σ = 632446455168. Its totient is φ = 59624570880.

The previous prime is 243223020319. The next prime is 243223020377. The reversal of 243223020330 is 33020322342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243223020330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5523511 + ... + 5567370.

It is an arithmetic number, because the mean of its divisors is an integer number (9881975862).

Almost surely, 2^243223020330 is an apocalyptic number.

243223020330 is an abundant number, since it is smaller than the sum of its proper divisors (389223434838).

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

243223020330 is a wasteful number, since it uses less digits than its factorization.

243223020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090951.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 243223020330 its reverse (33020322342), we get a palindrome (276243342672).

The spelling of 243223020330 in words is "two hundred forty-three billion, two hundred twenty-three million, twenty thousand, three hundred thirty".