22013211323 has 4 divisors (see below), whose sum is σ = 22025531640. Its totient is φ = 22000891008.

The previous prime is 22013211307. The next prime is 22013211347. The reversal of 22013211323 is 32311231022.

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 22013211323 - 2⁴ = 22013211307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22013211295 and 22013211304.

It is not an unprimeable number, because it can be changed into a prime (22013217323) 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 3 ways as a sum of consecutive naturals, for example, 6157478 + ... + 6161051.

It is an arithmetic number, because the mean of its divisors is an integer number (5506382910).

Almost surely, 2^22013211323 is an apocalyptic number.

22013211323 is a deficient number, since it is larger than the sum of its proper divisors (12320317).

22013211323 is a wasteful number, since it uses less digits than its factorization.

22013211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320316.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22013211323 its reverse (32311231022), we get a palindrome (54324442345).

The spelling of 22013211323 in words is "twenty-two billion, thirteen million, two hundred eleven thousand, three hundred twenty-three".