223933 has 4 divisors (see below), whose sum is σ = 225568. Its totient is φ = 222300.

The previous prime is 223921. The next prime is 223939. The reversal of 223933 is 339322.

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: 339322 = 2 ⋅169661.

It is a cyclic number.

It is not a de Polignac number, because 223933 - 2¹⁷ = 92861 is a prime.

It is a Duffinian number.

223933 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 6 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223939) 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, 591 + ... + 892.

It is an arithmetic number, because the mean of its divisors is an integer number (56392).

2²²³⁹³³ is an apocalyptic number.

It is an amenable number.

223933 is a deficient number, since it is larger than the sum of its proper divisors (1635).

223933 is a wasteful number, since it uses less digits than its factorization.

223933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

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

The square root of 223933 is about 473.2155956855. The cubic root of 223933 is about 60.7257237307.

It can be divided in two parts, 223 and 933, that added together give a square (1156 = 34²).

The spelling of 223933 in words is "two hundred twenty-three thousand, nine hundred thirty-three".