22123231423445 has 16 divisors (see below), whose sum is σ = 26584312337280. Its totient is φ = 17674297792704.

The previous prime is 22123231423417. The next prime is 22123231423471. The reversal of 22123231423445 is 54432413232122.

It is a cyclic number.

It is not a de Polignac number, because 22123231423445 - 2²² = 22123227229141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22123231423399 and 22123231423408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79114544 + ... + 79393686.

It is an arithmetic number, because the mean of its divisors is an integer number (1661519521080).

Almost surely, 2^{22123231423445} is an apocalyptic number.

It is an amenable number.

22123231423445 is a deficient number, since it is larger than the sum of its proper divisors (4461080913835).

22123231423445 is a wasteful number, since it uses less digits than its factorization.

22123231423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300844.

The product of its digits is 276480, while the sum is 38.

Adding to 22123231423445 its reverse (54432413232122), we get a palindrome (76555644655567).

The spelling of 22123231423445 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred thirty-one million, four hundred twenty-three thousand, four hundred forty-five".