21114041323 has 4 divisors (see below), whose sum is σ = 21311368920. Its totient is φ = 20916713728.

The previous prime is 21114041321. The next prime is 21114041341. The reversal of 21114041323 is 32314041112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21114041323 - 2¹ = 21114041321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21114041294 and 21114041303.

It is not an unprimeable number, because it can be changed into a prime (21114041321) 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 3 ways as a sum of consecutive naturals, for example, 98663638 + ... + 98663851.

It is an arithmetic number, because the mean of its divisors is an integer number (5327842230).

Almost surely, 2^21114041323 is an apocalyptic number.

21114041323 is a deficient number, since it is larger than the sum of its proper divisors (197327597).

21114041323 is a wasteful number, since it uses less digits than its factorization.

21114041323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197327596.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21114041323 its reverse (32314041112), we get a palindrome (53428082435).

The spelling of 21114041323 in words is "twenty-one billion, one hundred fourteen million, forty-one thousand, three hundred twenty-three".