243123424344 has 128 divisors (see below), whose sum is σ = 681281740800. Its totient is φ = 80329656960.

The previous prime is 243123424331. The next prime is 243123424367. The reversal of 243123424344 is 443424321342.

243123424344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 243123424299 and 243123424308.

It is a congruent number.

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, 35850234 + ... + 35857014.

It is an arithmetic number, because the mean of its divisors is an integer number (5322513600).

Almost surely, 2^243123424344 is an apocalyptic number.

243123424344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243123424344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340640870400).

243123424344 is an abundant number, since it is smaller than the sum of its proper divisors (438158316456).

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

243123424344 is a wasteful number, since it uses less digits than its factorization.

243123424344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230 (or 8220 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 243123424344 its reverse (443424321342), we get a palindrome (686547745686).

The spelling of 243123424344 in words is "two hundred forty-three billion, one hundred twenty-three million, four hundred twenty-four thousand, three hundred forty-four".