223323420 has 48 divisors (see below), whose sum is σ = 626734080. Its totient is φ = 59416896.

The previous prime is 223323389. The next prime is 223323421. The reversal of 223323420 is 24323322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223323421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23761 + ... + 31799.

It is an arithmetic number, because the mean of its divisors is an integer number (13056960).

Almost surely, 2^223323420 is an apocalyptic number.

223323420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223323420 is an abundant number, since it is smaller than the sum of its proper divisors (403410660).

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

223323420 is a wasteful number, since it uses less digits than its factorization.

223323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514 (or 8512 counting only the distinct ones).

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

The square root of 223323420 is about 14944.0095021383. The cubic root of 223323420 is about 606.7057207613.

Adding to 223323420 its reverse (24323322), we get a palindrome (247646742).

It can be divided in two parts, 22332 and 3420, that added together give a palindrome (25752).

The spelling of 223323420 in words is "two hundred twenty-three million, three hundred twenty-three thousand, four hundred twenty".