23440432013200 has 120 divisors (see below), whose sum is σ = 57104379291168. Its totient is φ = 9244930544640.

The previous prime is 23440432013171. The next prime is 23440432013237. The reversal of 23440432013200 is 231023404432.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97612479 + ... + 97852321.

Almost surely, 2^{23440432013200} is an apocalyptic number.

23440432013200 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 23440432013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28552189645584).

23440432013200 is an abundant number, since it is smaller than the sum of its proper divisors (33663947277968).

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

23440432013200 is a wasteful number, since it uses less digits than its factorization.

23440432013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243281 (or 243270 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23440432013200 its reverse (231023404432), we get a palindrome (23671455417632).

The spelling of 23440432013200 in words is "twenty-three trillion, four hundred forty billion, four hundred thirty-two million, thirteen thousand, two hundred".