243232423424 has 160 divisors (see below), whose sum is σ = 523375966080. Its totient is φ = 112574472192.

The previous prime is 243232423403. The next prime is 243232423459. The reversal of 243232423424 is 424324232342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145909439 + ... + 145911105.

It is an arithmetic number, because the mean of its divisors is an integer number (3271099788).

Almost surely, 2^243232423424 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 243232423424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261687983040).

243232423424 is an abundant number, since it is smaller than the sum of its proper divisors (280143542656).

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

243232423424 is a wasteful number, since it uses less digits than its factorization.

243232423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2024 counting only the distinct ones).

The product of its digits is 221184, while the sum is 35.

Adding to 243232423424 its reverse (424324232342), we get a palindrome (667556655766).

The spelling of 243232423424 in words is "two hundred forty-three billion, two hundred thirty-two million, four hundred twenty-three thousand, four hundred twenty-four".