223003340420 has 72 divisors (see below), whose sum is σ = 545608840896. Its totient is φ = 76339897536.

The previous prime is 223003340393. The next prime is 223003340431. The reversal of 223003340420 is 24043300322.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458207 + ... + 809913.

It is an arithmetic number, because the mean of its divisors is an integer number (7577900568).

Almost surely, 2^223003340420 is an apocalyptic number.

223003340420 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 223003340420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272804420448).

223003340420 is an abundant number, since it is smaller than the sum of its proper divisors (322605500476).

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

223003340420 is a wasteful number, since it uses less digits than its factorization.

223003340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352377 (or 352368 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 223003340420 its reverse (24043300322), we get a palindrome (247046640742).

The spelling of 223003340420 in words is "two hundred twenty-three billion, three million, three hundred forty thousand, four hundred twenty".