223145535320 has 96 divisors (see below), whose sum is σ = 533854702800. Its totient is φ = 83928041472.

The previous prime is 223145535311. The next prime is 223145535373. The reversal of 223145535320 is 23535541322.

223145535320 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-3 number, since 3×223145535320³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12973286 + ... + 12990474.

Almost surely, 2^223145535320 is an apocalyptic number.

223145535320 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 223145535320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266927351400).

223145535320 is an abundant number, since it is smaller than the sum of its proper divisors (310709167480).

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

223145535320 is a wasteful number, since it uses less digits than its factorization.

223145535320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357 (or 18336 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 223145535320 in words is "two hundred twenty-three billion, one hundred forty-five million, five hundred thirty-five thousand, three hundred twenty".