23522222443 has 4 divisors (see below), whose sum is σ = 23522533120. Its totient is φ = 23521911768.

The previous prime is 23522222411. The next prime is 23522222453. The reversal of 23522222443 is 34422222532.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23522222443 - 2⁵ = 23522222411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23522222453) 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, 40693 + ... + 220681.

It is an arithmetic number, because the mean of its divisors is an integer number (5880633280).

Almost surely, 2^23522222443 is an apocalyptic number.

23522222443 is a deficient number, since it is larger than the sum of its proper divisors (310677).

23522222443 is a wasteful number, since it uses less digits than its factorization.

23522222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310676.

The product of its digits is 46080, while the sum is 31.

Adding to 23522222443 its reverse (34422222532), we get a palindrome (57944444975).

The spelling of 23522222443 in words is "twenty-three billion, five hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-three".