2143421230322 has 4 divisors (see below), whose sum is σ = 3215131845486. Its totient is φ = 1071710615160.

The previous prime is 2143421230297. The next prime is 2143421230331. The reversal of 2143421230322 is 2230321243412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1575147992401 + 568273237921 = 1255049^2 + 753839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535855307579 + ... + 535855307582.

Almost surely, 2^{2143421230322} is an apocalyptic number.

2143421230322 is a deficient number, since it is larger than the sum of its proper divisors (1071710615164).

2143421230322 is a wasteful number, since it uses less digits than its factorization.

2143421230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071710615163.

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

Adding to 2143421230322 its reverse (2230321243412), we get a palindrome (4373742473734).

The spelling of 2143421230322 in words is "two trillion, one hundred forty-three billion, four hundred twenty-one million, two hundred thirty thousand, three hundred twenty-two".