223075415405065 has 4 divisors (see below), whose sum is σ = 267690498486084. Its totient is φ = 178460332324048.

The previous prime is 223075415405021. The next prime is 223075415405083. The reversal of 223075415405065 is 560504514570322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107056601337856 + 116018814067209 = 10346816^2 + 10771203^2 .

It is a cyclic number.

It is not a de Polignac number, because 223075415405065 - 2⁷ = 223075415404937 is a prime.

It is a super-3 number, since 3×223075415405065³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22307541540502 + ... + 22307541540511.

It is an arithmetic number, because the mean of its divisors is an integer number (66922624621521).

Almost surely, 2^{223075415405065} is an apocalyptic number.

It is an amenable number.

223075415405065 is a deficient number, since it is larger than the sum of its proper divisors (44615083081019).

223075415405065 is an equidigital number, since it uses as much as digits as its factorization.

223075415405065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44615083081018.

The product of its (nonzero) digits is 5040000, while the sum is 49.

Adding to 223075415405065 its reverse (560504514570322), we get a palindrome (783579929975387).

The spelling of 223075415405065 in words is "two hundred twenty-three trillion, seventy-five billion, four hundred fifteen million, four hundred five thousand, sixty-five".