223563340 has 144 divisors (see below), whose sum is σ = 634556160. Its totient is φ = 64247040.

The previous prime is 223563337. The next prime is 223563341. The reversal of 223563340 is 43365322.

223563340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 223563299 and 223563308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223563341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259831 + ... + 260689.

It is an arithmetic number, because the mean of its divisors is an integer number (4406640).

Almost surely, 2^223563340 is an apocalyptic number.

223563340 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 223563340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317278080).

223563340 is an abundant number, since it is smaller than the sum of its proper divisors (410992820).

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

223563340 is a wasteful number, since it uses less digits than its factorization.

223563340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 223563340 is about 14952.0346441546. The cubic root of 223563340 is about 606.9229076279.

The spelling of 223563340 in words is "two hundred twenty-three million, five hundred sixty-three thousand, three hundred forty".