223454 has 16 divisors (see below), whose sum is σ = 418176. Its totient is φ = 87000.

The previous prime is 223441. The next prime is 223463. The reversal of 223454 is 454322.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 572 + ... + 879.

It is an arithmetic number, because the mean of its divisors is an integer number (26136).

2²²³⁴⁵⁴ is an apocalyptic number.

223454 is a deficient number, since it is larger than the sum of its proper divisors (194722).

223454 is a wasteful number, since it uses less digits than its factorization.

223454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its digits is 960, while the sum is 20.

The square root of 223454 is about 472.7092129417. The cubic root of 223454 is about 60.6823947199.

Adding to 223454 its reverse (454322), we get a palindrome (677776).

The spelling of 223454 in words is "two hundred twenty-three thousand, four hundred fifty-four".