21140130440223 has 48 divisors (see below), whose sum is σ = 32881348150560. Its totient is φ = 13039026229248.

The previous prime is 21140130440203. The next prime is 21140130440227. The reversal of 21140130440223 is 32204403104112.

21140130440223 is a `hidden beast` number, since 2 + 1 + 1 + 401 + 30 + 4 + 4 + 0 + 223 = 666.

It is not a de Polignac number, because 21140130440223 - 2¹⁰ = 21140130439199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140130440227) 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 47 ways as a sum of consecutive naturals, for example, 359759761 + ... + 359818517.

It is an arithmetic number, because the mean of its divisors is an integer number (685028086470).

Almost surely, 2^{21140130440223} is an apocalyptic number.

21140130440223 is a deficient number, since it is larger than the sum of its proper divisors (11741217710337).

21140130440223 is a wasteful number, since it uses less digits than its factorization.

21140130440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98696 (or 98693 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 21140130440223 its reverse (32204403104112), we get a palindrome (53344533544335).

The spelling of 21140130440223 in words is "twenty-one trillion, one hundred forty billion, one hundred thirty million, four hundred forty thousand, two hundred twenty-three".