223652945400 has 192 divisors, whose sum is σ = 720647625600. Its totient is φ = 57329256960.

The previous prime is 223652945389. The next prime is 223652945413. The reversal of 223652945400 is 4549256322.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1781911 + ... + 1903289.

It is an arithmetic number, because the mean of its divisors is an integer number (3753373050).

Almost surely, 2^223652945400 is an apocalyptic number.

223652945400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223652945400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360323812800).

223652945400 is an abundant number, since it is smaller than the sum of its proper divisors (496994680200).

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

223652945400 is a wasteful number, since it uses less digits than its factorization.

223652945400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121518 (or 121509 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 223652945400 in words is "two hundred twenty-three billion, six hundred fifty-two million, nine hundred forty-five thousand, four hundred".