223645204055 has 32 divisors (see below), whose sum is σ = 330506502144. Its totient is φ = 141474439296.

The previous prime is 223645203941. The next prime is 223645204087. The reversal of 223645204055 is 550402546322.

It is a cyclic number.

It is not a de Polignac number, because 223645204055 - 2¹⁰ = 223645203031 is a prime.

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, 608882 + ... + 904448.

It is an arithmetic number, because the mean of its divisors is an integer number (10328328192).

Almost surely, 2^223645204055 is an apocalyptic number.

223645204055 is a deficient number, since it is larger than the sum of its proper divisors (106861298089).

223645204055 is a wasteful number, since it uses less digits than its factorization.

223645204055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297255.

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

The spelling of 223645204055 in words is "two hundred twenty-three billion, six hundred forty-five million, two hundred four thousand, fifty-five".