223655445044 has 6 divisors (see below), whose sum is σ = 391397028834. Its totient is φ = 111827722520.

The previous prime is 223655445037. The next prime is 223655445059. The reversal of 223655445044 is 440544556322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 223292161444 + 363283600 = 472538^2 + 19060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223655444986 and 223655445004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27956930627 + ... + 27956930634.

It is an arithmetic number, because the mean of its divisors is an integer number (65232838139).

Almost surely, 2^223655445044 is an apocalyptic number.

It is an amenable number.

223655445044 is a deficient number, since it is larger than the sum of its proper divisors (167741583790).

223655445044 is a wasteful number, since it uses less digits than its factorization.

223655445044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55913861265 (or 55913861263 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

The spelling of 223655445044 in words is "two hundred twenty-three billion, six hundred fifty-five million, four hundred forty-five thousand, forty-four".