21143241434232 has 48 divisors (see below), whose sum is σ = 57297926289240. Its totient is φ = 7043441823168.

The previous prime is 21143241434167. The next prime is 21143241434281. The reversal of 21143241434232 is 23243414234112.

21143241434232 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 3 + 2 + 414 + 3 + 4 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89575518 + ... + 89811245.

Almost surely, 2^{21143241434232} is an apocalyptic number.

It is an amenable number.

21143241434232 is an abundant number, since it is smaller than the sum of its proper divisors (36154684855008).

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

21143241434232 is a wasteful number, since it uses less digits than its factorization.

21143241434232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179388412 (or 179388405 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 21143241434232 its reverse (23243414234112), we get a palindrome (44386655668344).

The spelling of 21143241434232 in words is "twenty-one trillion, one hundred forty-three billion, two hundred forty-one million, four hundred thirty-four thousand, two hundred thirty-two".