2143223201343 has 48 divisors (see below), whose sum is σ = 3355380889344. Its totient is φ = 1213237509120.

The previous prime is 2143223201321. The next prime is 2143223201359. The reversal of 2143223201343 is 3431023223412.

It is a happy number.

It is not a de Polignac number, because 2143223201343 - 2³⁸ = 1868345294399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143223201343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143223201303) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 11014846 + ... + 11207732.

It is an arithmetic number, because the mean of its divisors is an integer number (69903768528).

Almost surely, 2^{2143223201343} is an apocalyptic number.

2143223201343 is a deficient number, since it is larger than the sum of its proper divisors (1212157688001).

2143223201343 is a wasteful number, since it uses less digits than its factorization.

2143223201343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193612 (or 193605 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2143223201343 its reverse (3431023223412), we get a palindrome (5574246424755).

The spelling of 2143223201343 in words is "two trillion, one hundred forty-three billion, two hundred twenty-three million, two hundred one thousand, three hundred forty-three".