223553201656 has 32 divisors (see below), whose sum is σ = 419858281440. Its totient is φ = 111591105408.

The previous prime is 223553201647. The next prime is 223553201659. The reversal of 223553201656 is 656102355322.

223553201656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×223553201656² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223553201659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23785150 + ... + 23794546.

It is an arithmetic number, because the mean of its divisors is an integer number (13120571295).

Almost surely, 2^223553201656 is an apocalyptic number.

It is an amenable number.

223553201656 is a deficient number, since it is larger than the sum of its proper divisors (196305079784).

223553201656 is a wasteful number, since it uses less digits than its factorization.

223553201656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14023 (or 14019 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 223553201656 its reverse (656102355322), we get a palindrome (879655556978).

The spelling of 223553201656 in words is "two hundred twenty-three billion, five hundred fifty-three million, two hundred one thousand, six hundred fifty-six".