243423422144 has 112 divisors (see below), whose sum is σ = 594106528320. Its totient is φ = 96577781760.

The previous prime is 243423422119. The next prime is 243423422183. The reversal of 243423422144 is 441224324342.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202592 + ... + 726560.

Almost surely, 2^243423422144 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 243423422144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297053264160).

243423422144 is an abundant number, since it is smaller than the sum of its proper divisors (350683106176).

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

243423422144 is a wasteful number, since it uses less digits than its factorization.

243423422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524066 (or 524056 counting only the distinct ones).

The product of its digits is 147456, while the sum is 35.

Adding to 243423422144 its reverse (441224324342), we get a palindrome (684647746486).

The spelling of 243423422144 in words is "two hundred forty-three billion, four hundred twenty-three million, four hundred twenty-two thousand, one hundred forty-four".