22523314321 has 4 divisors (see below), whose sum is σ = 22892549044. Its totient is φ = 22154079600.

The previous prime is 22523314273. The next prime is 22523314327. The reversal of 22523314321 is 12341332522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12341332522 = 2 ⋅6170666261.

It can be written as a sum of positive squares in 2 ways, for example, as 527161600 + 21996152721 = 22960^2 + 148311^2 .

It is a cyclic number.

It is not a de Polignac number, because 22523314321 - 2⁷ = 22523314193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22523314321.

It is not an unprimeable number, because it can be changed into a prime (22523314327) 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, 184617270 + ... + 184617391.

It is an arithmetic number, because the mean of its divisors is an integer number (5723137261).

Almost surely, 2^22523314321 is an apocalyptic number.

It is an amenable number.

22523314321 is a deficient number, since it is larger than the sum of its proper divisors (369234723).

22523314321 is an equidigital number, since it uses as much as digits as its factorization.

22523314321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369234722.

The product of its digits is 8640, while the sum is 28.

Adding to 22523314321 its reverse (12341332522), we get a palindrome (34864646843).

The spelling of 22523314321 in words is "twenty-two billion, five hundred twenty-three million, three hundred fourteen thousand, three hundred twenty-one".