21140413023 has 8 divisors (see below), whose sum is σ = 29670755200. Its totient is φ = 13351839768.

The previous prime is 21140412991. The next prime is 21140413163. The reversal of 21140413023 is 32031404112.

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

It is not a de Polignac number, because 21140413023 - 2⁵ = 21140412991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140411023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185442163 + ... + 185442276.

It is an arithmetic number, because the mean of its divisors is an integer number (3708844400).

Almost surely, 2^21140413023 is an apocalyptic number.

21140413023 is a deficient number, since it is larger than the sum of its proper divisors (8530342177).

21140413023 is a wasteful number, since it uses less digits than its factorization.

21140413023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370884461.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21140413023 its reverse (32031404112), we get a palindrome (53171817135).

The spelling of 21140413023 in words is "twenty-one billion, one hundred forty million, four hundred thirteen thousand, twenty-three".