243320011242144 has 96 divisors (see below), whose sum is σ = 653739420970944. Its totient is φ = 79199795619840.

The previous prime is 243320011242137. The next prime is 243320011242199. The reversal of 243320011242144 is 441242110023342.

243320011242144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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, 8133634 + ... + 23511614.

It is an arithmetic number, because the mean of its divisors is an integer number (6809785635114).

Almost surely, 2^{243320011242144} is an apocalyptic number.

243320011242144 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 243320011242144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326869710485472).

243320011242144 is an abundant number, since it is smaller than the sum of its proper divisors (410419409728800).

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

243320011242144 is a wasteful number, since it uses less digits than its factorization.

243320011242144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15381870 (or 15381862 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 243320011242144 its reverse (441242110023342), we get a palindrome (684562121265486).

The spelling of 243320011242144 in words is "two hundred forty-three trillion, three hundred twenty billion, eleven million, two hundred forty-two thousand, one hundred forty-four".