22013121230323 has 4 divisors (see below), whose sum is σ = 22013286789760. Its totient is φ = 22012955670888.

The previous prime is 22013121230273. The next prime is 22013121230327. The reversal of 22013121230323 is 32303212131022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22013121230323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013121230327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82580115 + ... + 82846252.

It is an arithmetic number, because the mean of its divisors is an integer number (5503321697440).

Almost surely, 2^{22013121230323} is an apocalyptic number.

22013121230323 is a deficient number, since it is larger than the sum of its proper divisors (165559437).

22013121230323 is a wasteful number, since it uses less digits than its factorization.

22013121230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165559436.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22013121230323 its reverse (32303212131022), we get a palindrome (54316333361345).

The spelling of 22013121230323 in words is "twenty-two trillion, thirteen billion, one hundred twenty-one million, two hundred thirty thousand, three hundred twenty-three".