22131120204423 has 24 divisors (see below), whose sum is σ = 31987761137280. Its totient is φ = 14744580062400.

The previous prime is 22131120204421. The next prime is 22131120204467. The reversal of 22131120204423 is 32440202113122.

22131120204423 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 11 + 20 + 204 + 423 = 666.

It is not a de Polignac number, because 22131120204423 - 2¹ = 22131120204421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131120204421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154131658 + ... + 154275176.

It is an arithmetic number, because the mean of its divisors is an integer number (1332823380720).

Almost surely, 2^{22131120204423} is an apocalyptic number.

22131120204423 is a deficient number, since it is larger than the sum of its proper divisors (9856640932857).

22131120204423 is a wasteful number, since it uses less digits than its factorization.

22131120204423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154439 (or 154436 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22131120204423 its reverse (32440202113122), we get a palindrome (54571322317545).

The spelling of 22131120204423 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred twenty million, two hundred four thousand, four hundred twenty-three".