223403473 has 4 divisors (see below), whose sum is σ = 223588260. Its totient is φ = 223218688.

The previous prime is 223403431. The next prime is 223403491. The reversal of 223403473 is 374304322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79691329 + 143712144 = 8927^2 + 11988^2 .

It is a cyclic number.

It is not a de Polignac number, because 223403473 - 2²¹ = 221306321 is a prime.

It is a super-2 number, since 2×223403473² = 99818223496923458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223403423) 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, 90568 + ... + 93001.

It is an arithmetic number, because the mean of its divisors is an integer number (55897065).

Almost surely, 2^223403473 is an apocalyptic number.

It is an amenable number.

223403473 is a deficient number, since it is larger than the sum of its proper divisors (184787).

223403473 is a wasteful number, since it uses less digits than its factorization.

223403473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184786.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 223403473 is about 14946.6876932650. The cubic root of 223403473 is about 606.7782057861.

Adding to 223403473 its reverse (374304322), we get a palindrome (597707795).

The spelling of 223403473 in words is "two hundred twenty-three million, four hundred three thousand, four hundred seventy-three".