243220430124 has 144 divisors (see below), whose sum is σ = 717754722048. Its totient is φ = 68012049024.

The previous prime is 243220430093. The next prime is 243220430129. The reversal of 243220430124 is 421034022342.

243220430124 is a `hidden beast` number, since 2 + 4 + 3 + 220 + 430 + 1 + 2 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (243220430129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2183674 + ... + 2292350.

It is an arithmetic number, because the mean of its divisors is an integer number (4984407792).

Almost surely, 2^243220430124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243220430124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358877361024).

243220430124 is an abundant number, since it is smaller than the sum of its proper divisors (474534291924).

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

243220430124 is a wasteful number, since it uses less digits than its factorization.

243220430124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108884 (or 108879 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 243220430124 its reverse (421034022342), we get a palindrome (664254452466).

The spelling of 243220430124 in words is "two hundred forty-three billion, two hundred twenty million, four hundred thirty thousand, one hundred twenty-four".