223403201 has 12 divisors (see below), whose sum is σ = 260127252. Its totient is φ = 191304288.

The previous prime is 223403177. The next prime is 223403203. The reversal of 223403201 is 102304322.

It can be written as a sum of positive squares in 2 ways, for example, as 88378801 + 135024400 = 9401^2 + 11620^2 .

It is not a de Polignac number, because 223403201 - 2¹⁰ = 223402177 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223403201.

It is not an unprimeable number, because it can be changed into a prime (223403203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81611 + ... + 84303.

It is an arithmetic number, because the mean of its divisors is an integer number (21677271).

Almost surely, 2^223403201 is an apocalyptic number.

It is an amenable number.

223403201 is a deficient number, since it is larger than the sum of its proper divisors (36724051).

223403201 is a wasteful number, since it uses less digits than its factorization.

223403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223403201 is about 14946.6785942563. The cubic root of 223403201 is about 606.7779595295. Note that the first 3 decimals are identical.

Adding to 223403201 its reverse (102304322), we get a palindrome (325707523).

The spelling of 223403201 in words is "two hundred twenty-three million, four hundred three thousand, two hundred one".