423223 has 4 divisors (see below), whose sum is σ = 441648. Its totient is φ = 404800.

The previous prime is 423221. The next prime is 423229. The reversal of 423223 is 322324.

423223 = T₁₁₂ + T₁₁₃ + ... + T₁₅₇.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423223 - 2¹ = 423221 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 = 423197 and 423206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423221) 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, 9178 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (110412).

2⁴²³²²³ is an apocalyptic number.

423223 is a deficient number, since it is larger than the sum of its proper divisors (18425).

423223 is a wasteful number, since it uses less digits than its factorization.

423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424.

The product of its digits is 288, while the sum is 16.

The square root of 423223 is about 650.5559161210. Note that the first 3 decimals coincide. The cubic root of 423223 is about 75.0797965515.

Adding to 423223 its reverse (322324), we get a palindrome (745547).

It can be divided in two parts, 4232 and 23, that multiplied together give a cube (97336 = 46³).

The spelling of 423223 in words is "four hundred twenty-three thousand, two hundred twenty-three", and thus it is an iban number.