423211 has 4 divisors (see below), whose sum is σ = 427672. Its totient is φ = 418752.

The previous prime is 423209. The next prime is 423221. The reversal of 423211 is 112324.

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

It is a cyclic number.

It is not a de Polignac number, because 423211 - 2¹ = 423209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423191 and 423200.

It is not an unprimeable number, because it can be changed into a prime (423221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (106918).

2⁴²³²¹¹ is an apocalyptic number.

423211 is a deficient number, since it is larger than the sum of its proper divisors (4461).

423211 is an equidigital number, since it uses as much as digits as its factorization.

423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460.

The product of its digits is 48, while the sum is 13.

The square root of 423211 is about 650.5466931743. The cubic root of 423211 is about 75.0790869445.

Adding to 423211 its reverse (112324), we get a palindrome (535535).

It can be divided in two parts, 423 and 211, that multiplied together give a triangular number (89253 = T₄₂₂).

The spelling of 423211 in words is "four hundred twenty-three thousand, two hundred eleven", and thus it is an iban number.