22131304044423 has 16 divisors (see below), whose sum is σ = 33883720755456. Its totient is φ = 12586523624640.

The previous prime is 22131304044401. The next prime is 22131304044427. The reversal of 22131304044423 is 32444040313122.

It is not a de Polignac number, because 22131304044423 - 2³² = 22127009077127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131304044427) 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 15 ways as a sum of consecutive naturals, for example, 2497321686 + ... + 2497330547.

It is an arithmetic number, because the mean of its divisors is an integer number (2117732547216).

Almost surely, 2^{22131304044423} is an apocalyptic number.

22131304044423 is a deficient number, since it is larger than the sum of its proper divisors (11752416711033).

22131304044423 is a wasteful number, since it uses less digits than its factorization.

22131304044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994652454.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 22131304044423 its reverse (32444040313122), we get a palindrome (54575344357545).

The spelling of 22131304044423 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred four million, forty-four thousand, four hundred twenty-three".