21313423301422 has 64 divisors (see below), whose sum is σ = 38303705059200. Its totient is φ = 8884409764608.

The previous prime is 21313423301389. The next prime is 21313423301441. The reversal of 21313423301422 is 22410332431312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74810868 + ... + 75095224.

It is an arithmetic number, because the mean of its divisors is an integer number (598495391550).

Almost surely, 2^{21313423301422} is an apocalyptic number.

21313423301422 is a deficient number, since it is larger than the sum of its proper divisors (16990281757778).

21313423301422 is a wasteful number, since it uses less digits than its factorization.

21313423301422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287370 (or 287356 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 21313423301422 its reverse (22410332431312), we get a palindrome (43723755732734).

The spelling of 21313423301422 in words is "twenty-one trillion, three hundred thirteen billion, four hundred twenty-three million, three hundred one thousand, four hundred twenty-two".