4422123440345 has 8 divisors (see below), whose sum is σ = 5714744138376. Its totient is φ = 3265568078976.

The previous prime is 4422123440341. The next prime is 4422123440353. The reversal of 4422123440345 is 5430443212244.

It can be written as a sum of positive squares in 4 ways, for example, as 961186009 + 4421162254336 = 31003^2 + 2102656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4422123440345 - 2² = 4422123440341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4422123440299 and 4422123440308.

It is not an unprimeable number, because it can be changed into a prime (4422123440341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34016334092 + ... + 34016334221.

It is an arithmetic number, because the mean of its divisors is an integer number (714343017297).

Almost surely, 2^{4422123440345} is an apocalyptic number.

It is an amenable number.

4422123440345 is a deficient number, since it is larger than the sum of its proper divisors (1292620698031).

4422123440345 is a wasteful number, since it uses less digits than its factorization.

4422123440345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68032668331.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 4422123440345 its reverse (5430443212244), we get a palindrome (9852566652589).

The spelling of 4422123440345 in words is "four trillion, four hundred twenty-two billion, one hundred twenty-three million, four hundred forty thousand, three hundred forty-five".