4405123205345 has 8 divisors (see below), whose sum is σ = 5564366154240. Its totient is φ = 3338619692400.

The previous prime is 4405123205323. The next prime is 4405123205363. The reversal of 4405123205345 is 5435023215044.

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

It is not a de Polignac number, because 4405123205345 - 2¹² = 4405123201249 is a prime.

It is a super-2 number, since 2×4405123205345² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4405123205299 and 4405123205308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23184858881 + ... + 23184859070.

It is an arithmetic number, because the mean of its divisors is an integer number (695545769280).

Almost surely, 2^{4405123205345} is an apocalyptic number.

It is an amenable number.

4405123205345 is a deficient number, since it is larger than the sum of its proper divisors (1159242948895).

4405123205345 is a wasteful number, since it uses less digits than its factorization.

4405123205345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46369717975.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 4405123205345 in words is "four trillion, four hundred five billion, one hundred twenty-three million, two hundred five thousand, three hundred forty-five".