223040403 has 12 divisors (see below), whose sum is σ = 330877248. Its totient is φ = 144674640.

The previous prime is 223040401. The next prime is 223040413. The reversal of 223040403 is 304040322.

223040403 is a `hidden beast` number, since 223 + 0 + 40 + 403 = 666.

It is not a de Polignac number, because 223040403 - 2¹ = 223040401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223040401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334563 + ... + 335228.

It is an arithmetic number, because the mean of its divisors is an integer number (27573104).

Almost surely, 2^223040403 is an apocalyptic number.

223040403 is a deficient number, since it is larger than the sum of its proper divisors (107836845).

223040403 is a wasteful number, since it uses less digits than its factorization.

223040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669834 (or 669831 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223040403 is about 14934.5372542975. The cubic root of 223040403 is about 606.4493203965.

Adding to 223040403 its reverse (304040322), we get a palindrome (527080725).

It can be divided in two parts, 22 and 3040403, that multiplied together give a palindrome (66888866).

The spelling of 223040403 in words is "two hundred twenty-three million, forty thousand, four hundred three".