623223 has 6 divisors (see below), whose sum is σ = 900224. Its totient is φ = 415476.

The previous prime is 623221. The next prime is 623261. The reversal of 623223 is 322326.

623223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623223 - 2¹ = 623221 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623196 and 623205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34615 + ... + 34632.

2⁶²³²²³ is an apocalyptic number.

623223 is a deficient number, since it is larger than the sum of its proper divisors (277001).

623223 is a wasteful number, since it uses less digits than its factorization.

623223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69253 (or 69250 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 623223 is about 789.4447415747. Note that the first 3 decimals coincide. The cubic root of 623223 is about 85.4176903572.

Adding to 623223 its reverse (322326), we get a palindrome (945549).

It can be divided in two parts, 62322 and 3, that multiplied together give a triangular number (186966 = T₆₁₁).

The spelling of 623223 in words is "six hundred twenty-three thousand, two hundred twenty-three".