23240200043421 has 12 divisors (see below), whose sum is σ = 33668789648572. Its totient is φ = 15447492014976.

The previous prime is 23240200043299. The next prime is 23240200043443. The reversal of 23240200043421 is 12434000204232.

23240200043421 is a `hidden beast` number, since 2 + 3 + 2 + 4 + 0 + 200 + 0 + 434 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7436283572025 + 15803916471396 = 2726955^2 + 3975414^2 .

It is not a de Polignac number, because 23240200043421 - 2¹⁵ = 23240200010653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240200043461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3831220186 + ... + 3831226251.

Almost surely, 2^{23240200043421} is an apocalyptic number.

It is an amenable number.

23240200043421 is a deficient number, since it is larger than the sum of its proper divisors (10428589605151).

23240200043421 is a wasteful number, since it uses less digits than its factorization.

23240200043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662446780 (or 7662446777 counting only the distinct ones).

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

Adding to 23240200043421 its reverse (12434000204232), we get a palindrome (35674200247653).

The spelling of 23240200043421 in words is "twenty-three trillion, two hundred forty billion, two hundred million, forty-three thousand, four hundred twenty-one".