22123042344 has 144 divisors (see below), whose sum is σ = 68697193500. Its totient is φ = 6406612992.

The previous prime is 22123042247. The next prime is 22123042373. The reversal of 22123042344 is 44324032122.

22123042344 is a `hidden beast` number, since 2 + 2 + 1 + 230 + 423 + 4 + 4 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6363252900 + 15759789444 = 79770^2 + 125538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153382 + ... + 260330.

Almost surely, 2^22123042344 is an apocalyptic number.

22123042344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123042344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34348596750).

22123042344 is an abundant number, since it is smaller than the sum of its proper divisors (46574151156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123042344 is a wasteful number, since it uses less digits than its factorization.

22123042344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107004 (or 106984 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22123042344 its reverse (44324032122), we get a palindrome (66447074466).

The spelling of 22123042344 in words is "twenty-two billion, one hundred twenty-three million, forty-two thousand, three hundred forty-four".