223459 has 6 divisors (see below), whose sum is σ = 236220. Its totient is φ = 211356.

The previous prime is 223441. The next prime is 223463. The reversal of 223459 is 954322.

It is a happy number.

It is not a de Polignac number, because 223459 - 2⁷ = 223331 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223429) 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, 52 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (39370).

2²²³⁴⁵⁹ is an apocalyptic number.

223459 is a deficient number, since it is larger than the sum of its proper divisors (12761).

223459 is an equidigital number, since it uses as much as digits as its factorization.

223459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 638 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 223459 is about 472.7145015757. The cubic root of 223459 is about 60.6828473256.

It can be divided in two parts, 22 and 3459, that added together give a square (3481 = 59²).

The spelling of 223459 in words is "two hundred twenty-three thousand, four hundred fifty-nine".