22534145223 has 4 divisors (see below), whose sum is σ = 30045526968. Its totient is φ = 15022763480.

The previous prime is 22534145209. The next prime is 22534145251. The reversal of 22534145223 is 32254143522.

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 22534145223 - 2⁸ = 22534144967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534149223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755690868 + ... + 3755690873.

It is an arithmetic number, because the mean of its divisors is an integer number (7511381742).

Almost surely, 2^22534145223 is an apocalyptic number.

22534145223 is a deficient number, since it is larger than the sum of its proper divisors (7511381745).

22534145223 is an equidigital number, since it uses as much as digits as its factorization.

22534145223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511381744.

The product of its digits is 57600, while the sum is 33.

Adding to 22534145223 its reverse (32254143522), we get a palindrome (54788288745).

The spelling of 22534145223 in words is "twenty-two billion, five hundred thirty-four million, one hundred forty-five thousand, two hundred twenty-three".