22112310423 has 16 divisors (see below), whose sum is σ = 35159947776. Its totient is φ = 12086231520.

The previous prime is 22112310421. The next prime is 22112310463. The reversal of 22112310423 is 32401321122.

It is not a de Polignac number, because 22112310423 - 2¹ = 22112310421 is a prime.

It is a super-2 number, since 2×22112310423² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22112310423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112310421) 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, 22890108 + ... + 22891073.

It is an arithmetic number, because the mean of its divisors is an integer number (2197496736).

Almost surely, 2^22112310423 is an apocalyptic number.

22112310423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22112310423 is a deficient number, since it is larger than the sum of its proper divisors (13047637353).

22112310423 is a wasteful number, since it uses less digits than its factorization.

22112310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45781214.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22112310423 its reverse (32401321122), we get a palindrome (54513631545).

The spelling of 22112310423 in words is "twenty-two billion, one hundred twelve million, three hundred ten thousand, four hundred twenty-three".