223356 has 24 divisors (see below), whose sum is σ = 595840. Its totient is φ = 63792.

The previous prime is 223339. The next prime is 223361. The reversal of 223356 is 653322.

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

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246 + ... + 1413.

2²²³³⁵⁶ is an apocalyptic number.

It is an amenable number.

223356 is an abundant number, since it is smaller than the sum of its proper divisors (372484).

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

223356 is a wasteful number, since it uses less digits than its factorization.

223356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673 (or 2671 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 223356 is about 472.6055437677. The cubic root of 223356 is about 60.6735222834.

Adding to 223356 its reverse (653322), we get a palindrome (876678).

The spelling of 223356 in words is "two hundred twenty-three thousand, three hundred fifty-six".