21314123423343 has 12 divisors (see below), whose sum is σ = 32598071118288. Its totient is φ = 13373567638080.

The previous prime is 21314123423321. The next prime is 21314123423353. The reversal of 21314123423343 is 34332432141312.

21314123423343 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 412 + 3 + 4 + 233 + 4 + 3 = 666.

It is not a de Polignac number, because 21314123423343 - 2¹⁴ = 21314123406959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21314123423298 and 21314123423307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314123423353) 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 11 ways as a sum of consecutive naturals, for example, 69653997963 + ... + 69653998268.

It is an arithmetic number, because the mean of its divisors is an integer number (2716505926524).

Almost surely, 2^{21314123423343} is an apocalyptic number.

21314123423343 is a deficient number, since it is larger than the sum of its proper divisors (11283947694945).

21314123423343 is a wasteful number, since it uses less digits than its factorization.

21314123423343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139307996254 (or 139307996251 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 21314123423343 its reverse (34332432141312), we get a palindrome (55646555564655).

The spelling of 21314123423343 in words is "twenty-one trillion, three hundred fourteen billion, one hundred twenty-three million, four hundred twenty-three thousand, three hundred forty-three".