2143030421432 has 16 divisors (see below), whose sum is σ = 4024260994200. Its totient is φ = 1069894156320.

The previous prime is 2143030421407. The next prime is 2143030421453. The reversal of 2143030421432 is 2341240303412.

It is a junction number, because it is equal to n+sod(n) for n = 2143030421395 and 2143030421404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202626182 + ... + 202636757.

Almost surely, 2^{2143030421432} is an apocalyptic number.

It is an amenable number.

2143030421432 is a deficient number, since it is larger than the sum of its proper divisors (1881230572768).

2143030421432 is a wasteful number, since it uses less digits than its factorization.

2143030421432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405263606 (or 405263602 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2143030421432 its reverse (2341240303412), we get a palindrome (4484270724844).

The spelling of 2143030421432 in words is "two trillion, one hundred forty-three billion, thirty million, four hundred twenty-one thousand, four hundred thirty-two".