2143402423322 has 4 divisors (see below), whose sum is σ = 3215103634986. Its totient is φ = 1071701211660.

The previous prime is 2143402423301. The next prime is 2143402423361. The reversal of 2143402423322 is 2233242043412.

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., 2121948669481 + 21453753841 = 1456691^2 + 146471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535850605829 + ... + 535850605832.

Almost surely, 2^{2143402423322} is an apocalyptic number.

2143402423322 is a deficient number, since it is larger than the sum of its proper divisors (1071701211664).

2143402423322 is a wasteful number, since it uses less digits than its factorization.

2143402423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071701211663.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2143402423322 its reverse (2233242043412), we get a palindrome (4376644466734).

The spelling of 2143402423322 in words is "two trillion, one hundred forty-three billion, four hundred two million, four hundred twenty-three thousand, three hundred twenty-two".