223420 has 12 divisors (see below), whose sum is σ = 469224. Its totient is φ = 89360.

The previous prime is 223403. The next prime is 223423. The reversal of 223420 is 24322.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 223420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566 + ... + 5605.

It is an arithmetic number, because the mean of its divisors is an integer number (39102).

2²²³⁴²⁰ is an apocalyptic number.

223420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223420 is an abundant number, since it is smaller than the sum of its proper divisors (245804).

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

223420 is a wasteful number, since it uses less digits than its factorization.

223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11180 (or 11178 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 223420 is about 472.6732486613. The cubic root of 223420 is about 60.6793168216.

Adding to 223420 its reverse (24322), we get a palindrome (247742).

The spelling of 223420 in words is "two hundred twenty-three thousand, four hundred twenty", and thus it is an iban number.