223508 has 12 divisors (see below), whose sum is σ = 397152. Its totient is φ = 110040.

The previous prime is 223507. The next prime is 223529. The reversal of 223508 is 805322.

It is a self number, because there is not a number n which added to its sum of digits gives 223508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223507) 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, 110 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (33096).

2²²³⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

223508 is a deficient number, since it is larger than the sum of its proper divisors (173644).

223508 is a wasteful number, since it uses less digits than its factorization.

223508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 223508 is about 472.7663270581. The cubic root of 223508 is about 60.6872825050.

The spelling of 223508 in words is "two hundred twenty-three thousand, five hundred eight".