223665406342255 has 32 divisors (see below), whose sum is σ = 272014023536640. Its totient is φ = 176537520606720.

The previous prime is 223665406342247. The next prime is 223665406342331. The reversal of 223665406342255 is 552243604566322.

It is not a de Polignac number, because 223665406342255 - 2³ = 223665406342247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223665406342196 and 223665406342205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191253186 + ... + 192419104.

It is an arithmetic number, because the mean of its divisors is an integer number (8500438235520).

Almost surely, 2^{223665406342255} is an apocalyptic number.

223665406342255 is a deficient number, since it is larger than the sum of its proper divisors (48348617194385).

223665406342255 is a wasteful number, since it uses less digits than its factorization.

223665406342255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167591.

The product of its (nonzero) digits is 62208000, while the sum is 55.

The spelling of 223665406342255 in words is "two hundred twenty-three trillion, six hundred sixty-five billion, four hundred six million, three hundred forty-two thousand, two hundred fifty-five".