223393 has 4 divisors (see below), whose sum is σ = 225280. Its totient is φ = 221508.

The previous prime is 223381. The next prime is 223403. The reversal of 223393 is 393322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393322 = 2 ⋅196661.

It is a cyclic number.

It is not a de Polignac number, because 223393 - 2⁵ = 223361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223303) 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, 753 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (56320).

2²²³³⁹³ is an apocalyptic number.

It is an amenable number.

223393 is a deficient number, since it is larger than the sum of its proper divisors (1887).

223393 is a wasteful number, since it uses less digits than its factorization.

223393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its digits is 972, while the sum is 22.

The square root of 223393 is about 472.6446868420. The cubic root of 223393 is about 60.6768723857.

It can be divided in two parts, 223 and 393, that added together give a palindrome (616).

The spelling of 223393 in words is "two hundred twenty-three thousand, three hundred ninety-three".