223407 has 12 divisors (see below), whose sum is σ = 327184. Its totient is φ = 146880.

The previous prime is 223403. The next prime is 223423. The reversal of 223407 is 704322.

It is a happy number.

It is not a de Polignac number, because 223407 - 2² = 223403 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 223407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223403) 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 11 ways as a sum of consecutive naturals, for example, 807 + ... + 1047.

2²²³⁴⁰⁷ is an apocalyptic number.

223407 is a deficient number, since it is larger than the sum of its proper divisors (103777).

223407 is a wasteful number, since it uses less digits than its factorization.

223407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 223407 is about 472.6594968897. The cubic root of 223407 is about 60.6781398956.

Adding to 223407 its reverse (704322), we get a palindrome (927729).

It can be divided in two parts, 223 and 407, that added together give a triangular number (630 = T₃₅).

The spelling of 223407 in words is "two hundred twenty-three thousand, four hundred seven", and thus it is an iban number.