2143233043420 has 24 divisors (see below), whose sum is σ = 5143759304544. Its totient is φ = 734822757696.

The previous prime is 2143233043417. The next prime is 2143233043477. The reversal of 2143233043420 is 243403323412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7654403587 + ... + 7654403866.

It is an arithmetic number, because the mean of its divisors is an integer number (214323304356).

Almost surely, 2^{2143233043420} is an apocalyptic number.

2143233043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143233043420 is an abundant number, since it is smaller than the sum of its proper divisors (3000526261124).

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

2143233043420 is a wasteful number, since it uses less digits than its factorization.

2143233043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15308807469 (or 15308807467 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 2143233043420 its reverse (243403323412), we get a palindrome (2386636366832).

The spelling of 2143233043420 in words is "two trillion, one hundred forty-three billion, two hundred thirty-three million, forty-three thousand, four hundred twenty".