223656298044 has 48 divisors (see below), whose sum is σ = 536066714400. Its totient is φ = 72523973376.

The previous prime is 223656298043. The next prime is 223656298069. The reversal of 223656298044 is 440892656322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223656298043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562922 + ... + 2648750.

It is an arithmetic number, because the mean of its divisors is an integer number (11168056550).

Almost surely, 2^223656298044 is an apocalyptic number.

It is an amenable number.

223656298044 is an abundant number, since it is smaller than the sum of its proper divisors (312410416356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223656298044 is a wasteful number, since it uses less digits than its factorization.

223656298044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91742 (or 91740 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 223656298044 in words is "two hundred twenty-three billion, six hundred fifty-six million, two hundred ninety-eight thousand, forty-four".