22123454343 has 8 divisors (see below), whose sum is σ = 29662732800. Its totient is φ = 14666572728.

The previous prime is 22123454323. The next prime is 22123454401. The reversal of 22123454343 is 34345432122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22123454343 - 2⁶ = 22123454279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123454323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20598583 + ... + 20599656.

It is an arithmetic number, because the mean of its divisors is an integer number (3707841600).

Almost surely, 2^22123454343 is an apocalyptic number.

22123454343 is a deficient number, since it is larger than the sum of its proper divisors (7539278457).

22123454343 is a wasteful number, since it uses less digits than its factorization.

22123454343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41198421.

The product of its digits is 69120, while the sum is 33.

Adding to 22123454343 its reverse (34345432122), we get a palindrome (56468886465).

The spelling of 22123454343 in words is "twenty-two billion, one hundred twenty-three million, four hundred fifty-four thousand, three hundred forty-three".