22412421423 has 24 divisors (see below), whose sum is σ = 37466624000. Its totient is φ = 12644979984.

The previous prime is 22412421419. The next prime is 22412421431. The reversal of 22412421423 is 32412421422.

It is a happy number.

22412421423 is a `hidden beast` number, since 224 + 12 + 4 + 2 + 1 + 423 = 666.

It is not a de Polignac number, because 22412421423 - 2² = 22412421419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412421443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2246623 + ... + 2256576.

Almost surely, 2^22412421423 is an apocalyptic number.

22412421423 is a deficient number, since it is larger than the sum of its proper divisors (15054202577).

22412421423 is a wasteful number, since it uses less digits than its factorization.

22412421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503291 (or 4503288 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22412421423 its reverse (32412421422), we get a palindrome (54824842845).

Subtracting 22412421423 from its reverse (32412421422), we obtain a palindrome (9999999999).

The spelling of 22412421423 in words is "twenty-two billion, four hundred twelve million, four hundred twenty-one thousand, four hundred twenty-three".