22352322523 has 4 divisors (see below), whose sum is σ = 22423736008. Its totient is φ = 22280909040.

The previous prime is 22352322521. The next prime is 22352322563. The reversal of 22352322523 is 32522325322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32522325322 = 2 ⋅16261162661.

It is a cyclic number.

It is not a de Polignac number, because 22352322523 - 2¹ = 22352322521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22352322521) 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, 35706273 + ... + 35706898.

It is an arithmetic number, because the mean of its divisors is an integer number (5605934002).

Almost surely, 2^22352322523 is an apocalyptic number.

22352322523 is a deficient number, since it is larger than the sum of its proper divisors (71413485).

22352322523 is an equidigital number, since it uses as much as digits as its factorization.

22352322523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71413484.

The product of its digits is 43200, while the sum is 31.

Adding to 22352322523 its reverse (32522325322), we get a palindrome (54874647845).

The spelling of 22352322523 in words is "twenty-two billion, three hundred fifty-two million, three hundred twenty-two thousand, five hundred twenty-three".