223573240 has 128 divisors (see below), whose sum is σ = 583096320. Its totient is φ = 76377600.

The previous prime is 223573201. The next prime is 223573283. The reversal of 223573240 is 42375322.

It is a junction number, because it is equal to n+sod(n) for n = 223573199 and 223573208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504459 + ... + 504901.

It is an arithmetic number, because the mean of its divisors is an integer number (4555440).

Almost surely, 2^223573240 is an apocalyptic number.

223573240 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 223573240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291548160).

223573240 is an abundant number, since it is smaller than the sum of its proper divisors (359523080).

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

223573240 is a wasteful number, since it uses less digits than its factorization.

223573240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 223573240 is about 14952.3656991126. The cubic root of 223573240 is about 606.9318662346.

The spelling of 223573240 in words is "two hundred twenty-three million, five hundred seventy-three thousand, two hundred forty".