2043243203144 has 96 divisors (see below), whose sum is σ = 4538165607360. Its totient is φ = 856696536960.

The previous prime is 2043243203059. The next prime is 2043243203147. The reversal of 2043243203144 is 4413023423402.

It is a self number, because there is not a number n which added to its sum of digits gives 2043243203144.

It is not an unprimeable number, because it can be changed into a prime (2043243203147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17900477 + ... + 18014259.

It is an arithmetic number, because the mean of its divisors is an integer number (47272558410).

Almost surely, 2^{2043243203144} 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 2043243203144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269082803680).

2043243203144 is an abundant number, since it is smaller than the sum of its proper divisors (2494922404216).

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

2043243203144 is a wasteful number, since it uses less digits than its factorization.

2043243203144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115251 (or 115236 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2043243203144 its reverse (4413023423402), we get a palindrome (6456266626546).

The spelling of 2043243203144 in words is "two trillion, forty-three billion, two hundred forty-three million, two hundred three thousand, one hundred forty-four".