21114114423 has 8 divisors (see below), whose sum is σ = 28285575936. Its totient is φ = 14009364600.

The previous prime is 21114114389. The next prime is 21114114433. The reversal of 21114114423 is 32441141112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21114114423 - 2¹⁷ = 21113983351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21114114393 and 21114114402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114114433) 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 7 ways as a sum of consecutive naturals, for example, 16677183 + ... + 16678448.

It is an arithmetic number, because the mean of its divisors is an integer number (3535696992).

Almost surely, 2^21114114423 is an apocalyptic number.

21114114423 is a deficient number, since it is larger than the sum of its proper divisors (7171461513).

21114114423 is a wasteful number, since it uses less digits than its factorization.

21114114423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33355845.

The product of its digits is 768, while the sum is 24.

Adding to 21114114423 its reverse (32441141112), we get a palindrome (53555255535).

The spelling of 21114114423 in words is "twenty-one billion, one hundred fourteen million, one hundred fourteen thousand, four hundred twenty-three".