223323240 has 64 divisors (see below), whose sum is σ = 765682560. Its totient is φ = 51045120.

The previous prime is 223323227. The next prime is 223323253. The reversal of 223323240 is 42323322.

223323240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223323227) and next prime (223323253).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132091 + ... + 133770.

It is an arithmetic number, because the mean of its divisors is an integer number (11963790).

Almost surely, 2^223323240 is an apocalyptic number.

223323240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223323240 is an abundant number, since it is smaller than the sum of its proper divisors (542359320).

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

223323240 is a wasteful number, since it uses less digits than its factorization.

223323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265882 (or 265878 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223323240 is about 14944.0034796570. The cubic root of 223323240 is about 606.7055577585.

Adding to 223323240 its reverse (42323322), we get a palindrome (265646562).

The spelling of 223323240 in words is "two hundred twenty-three million, three hundred twenty-three thousand, two hundred forty".