223394 has 4 divisors (see below), whose sum is σ = 335094. Its totient is φ = 111696.

The previous prime is 223381. The next prime is 223403. The reversal of 223394 is 493322.

223394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493322 = 2 ⋅246661.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 9025 = 463^2 + 95^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55847 + ... + 55850.

2²²³³⁹⁴ is an apocalyptic number.

223394 is a deficient number, since it is larger than the sum of its proper divisors (111700).

223394 is a wasteful number, since it uses less digits than its factorization.

223394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111699.

The product of its digits is 1296, while the sum is 23.

The square root of 223394 is about 472.6457447180. The cubic root of 223394 is about 60.6769629239.

It can be divided in two parts, 2233 and 94, that multiplied together give a palindrome (209902).

The spelling of 223394 in words is "two hundred twenty-three thousand, three hundred ninety-four".