243123343230 has 64 divisors (see below), whose sum is σ = 596035335168. Its totient is φ = 63440211840.

The previous prime is 243123343201. The next prime is 243123343231. The reversal of 243123343230 is 32343321342.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243123343231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7997860 + ... + 8028200.

It is an arithmetic number, because the mean of its divisors is an integer number (9313052112).

Almost surely, 2^243123343230 is an apocalyptic number.

243123343230 is an abundant number, since it is smaller than the sum of its proper divisors (352911991938).

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

243123343230 is a wasteful number, since it uses less digits than its factorization.

243123343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36081.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 243123343230 its reverse (32343321342), we get a palindrome (275466664572).

The spelling of 243123343230 in words is "two hundred forty-three billion, one hundred twenty-three million, three hundred forty-three thousand, two hundred thirty".