223900 has 18 divisors (see below), whose sum is σ = 486080. Its totient is φ = 89520.

The previous prime is 223849. The next prime is 223903. The reversal of 223900 is 9322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223903) by changing a digit.

223900 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020 + ... + 1219.

2²²³⁹⁰⁰ is an apocalyptic number.

223900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223900 is an abundant number, since it is smaller than the sum of its proper divisors (262180).

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

223900 is a wasteful number, since it uses less digits than its factorization.

223900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 223900 is about 473.1807265728. The cubic root of 223900 is about 60.7227406251.

The spelling of 223900 in words is "two hundred twenty-three thousand, nine hundred".