21836119239223 has 4 divisors (see below), whose sum is σ = 21841056191248. Its totient is φ = 21831182287200.

The previous prime is 21836119239211. The next prime is 21836119239247. The reversal of 21836119239223 is 32293291163812.

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 21836119239223 - 2²⁹ = 21835582368311 is a prime.

It is a super-2 number, since 2×21836119239223² (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 (21836119230223) 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, 2468469378 + ... + 2468478223.

It is an arithmetic number, because the mean of its divisors is an integer number (5460264047812).

Almost surely, 2^{21836119239223} is an apocalyptic number.

21836119239223 is a deficient number, since it is larger than the sum of its proper divisors (4936952025).

21836119239223 is an equidigital number, since it uses as much as digits as its factorization.

21836119239223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936952024.

The product of its digits is 1679616, while the sum is 52.

The spelling of 21836119239223 in words is "twenty-one trillion, eight hundred thirty-six billion, one hundred nineteen million, two hundred thirty-nine thousand, two hundred twenty-three".