223064805865 has 8 divisors (see below), whose sum is σ = 292012109568. Its totient is φ = 162228949680.

The previous prime is 223064805809. The next prime is 223064805889. The reversal of 223064805865 is 568508460322.

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

It is not a de Polignac number, because 223064805865 - 2¹¹ = 223064803817 is a prime.

It is a Duffinian number.

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, 2027861817 + ... + 2027861926.

It is an arithmetic number, because the mean of its divisors is an integer number (36501513696).

Almost surely, 2^223064805865 is an apocalyptic number.

It is an amenable number.

223064805865 is a deficient number, since it is larger than the sum of its proper divisors (68947303703).

223064805865 is a wasteful number, since it uses less digits than its factorization.

223064805865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055723759.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 223064805865 in words is "two hundred twenty-three billion, sixty-four million, eight hundred five thousand, eight hundred sixty-five".