21314144023443 has 16 divisors (see below), whose sum is σ = 32665354826400. Its totient is φ = 13719449026080.

The previous prime is 21314144023429. The next prime is 21314144023451. The reversal of 21314144023443 is 34432044141312.

21314144023443 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 414 + 4 + 0 + 234 + 4 + 3 = 666.

It is not a de Polignac number, because 21314144023443 - 2⁴ = 21314144023427 is a prime.

It is a super-2 number, since 2×21314144023443² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21314144023398 and 21314144023407.

It is not an unprimeable number, because it can be changed into a prime (21314144023043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13610563728 + ... + 13610565293.

It is an arithmetic number, because the mean of its divisors is an integer number (2041584676650).

Almost surely, 2^{21314144023443} is an apocalyptic number.

21314144023443 is a deficient number, since it is larger than the sum of its proper divisors (11351210802957).

21314144023443 is a wasteful number, since it uses less digits than its factorization.

21314144023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27221129059 (or 27221129053 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 21314144023443 its reverse (34432044141312), we get a palindrome (55746188164755).

The spelling of 21314144023443 in words is "twenty-one trillion, three hundred fourteen billion, one hundred forty-four million, twenty-three thousand, four hundred forty-three".