22223423423 has 16 divisors (see below), whose sum is σ = 23375589120. Its totient is φ = 21087247104.

The previous prime is 22223423413. The next prime is 22223423441. The reversal of 22223423423 is 32432432222.

It is a cyclic number.

It is not a de Polignac number, because 22223423423 - 2⁴ = 22223423407 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 (22223423413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105423 + ... + 2115951.

It is an arithmetic number, because the mean of its divisors is an integer number (1460974320).

Almost surely, 2^22223423423 is an apocalyptic number.

22223423423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22223423423 is a deficient number, since it is larger than the sum of its proper divisors (1152165697).

22223423423 is a wasteful number, since it uses less digits than its factorization.

22223423423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278.

The product of its digits is 27648, while the sum is 29.

Adding to 22223423423 its reverse (32432432222), we get a palindrome (54655855645).

The spelling of 22223423423 in words is "twenty-two billion, two hundred twenty-three million, four hundred twenty-three thousand, four hundred twenty-three".