21876883504423 has 8 divisors (see below), whose sum is σ = 22385929259408. Its totient is φ = 21367850523264.

The previous prime is 21876883504409. The next prime is 21876883504457. The reversal of 21876883504423 is 32440538867812.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21876883504423 is a prime.

It is a super-2 number, since 2×21876883504423² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21876883504493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316015 + ... + 6622207.

It is an arithmetic number, because the mean of its divisors is an integer number (2798241157426).

Almost surely, 2^{21876883504423} is an apocalyptic number.

21876883504423 is a deficient number, since it is larger than the sum of its proper divisors (509045754985).

21876883504423 is an equidigital number, since it uses as much as digits as its factorization.

21876883504423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386913.

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 21876883504423 in words is "twenty-one trillion, eight hundred seventy-six billion, eight hundred eighty-three million, five hundred four thousand, four hundred twenty-three".