22123423424 has 28 divisors (see below), whose sum is σ = 43940403864. Its totient is φ = 11051825664.

The previous prime is 22123423411. The next prime is 22123423429. The reversal of 22123423424 is 42432432122.

It is not an unprimeable number, because it can be changed into a prime (22123423429) 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, 82037 + ... + 225780.

It is an arithmetic number, because the mean of its divisors is an integer number (1569300138).

Almost surely, 2^22123423424 is an apocalyptic number.

It is an amenable number.

22123423424 is a deficient number, since it is larger than the sum of its proper divisors (21816980440).

22123423424 is a wasteful number, since it uses less digits than its factorization.

22123423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308952 (or 308942 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

Adding to 22123423424 its reverse (42432432122), we get a palindrome (64555855546).

The spelling of 22123423424 in words is "twenty-two billion, one hundred twenty-three million, four hundred twenty-three thousand, four hundred twenty-four".