2043421423200 has 216 divisors, whose sum is σ = 7231083540408. Its totient is φ = 542986352640.

The previous prime is 2043421423163. The next prime is 2043421423201. The reversal of 2043421423200 is 23241243402.

2043421423200 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 421 + 4 + 232 + 0 + 0 = 666.

It is a super-2 number, since 2×2043421423200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043421423201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1536172 + ... + 2539028.

It is an arithmetic number, because the mean of its divisors is an integer number (33477238613).

Almost surely, 2^{2043421423200} is an apocalyptic number.

2043421423200 is a gapful number since it is divisible by the number (20) 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 2043421423200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615541770204).

2043421423200 is an abundant number, since it is smaller than the sum of its proper divisors (5187662117208).

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

2043421423200 is a wasteful number, since it uses less digits than its factorization.

2043421423200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003166 (or 1003150 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2043421423200 its reverse (23241243402), we get a palindrome (2066662666602).

The spelling of 2043421423200 in words is "two trillion, forty-three billion, four hundred twenty-one million, four hundred twenty-three thousand, two hundred".