223040471 has 2 divisors, whose sum is σ = 223040472. Its totient is φ = 223040470.

The previous prime is 223040413. The next prime is 223040509. The reversal of 223040471 is 174040322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223040471 - 2¹⁸ = 222778327 is a prime.

It is a super-3 number, since 3×223040471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223040401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111520235 + 111520236.

It is an arithmetic number, because the mean of its divisors is an integer number (111520236).

Almost surely, 2^223040471 is an apocalyptic number.

223040471 is a deficient number, since it is larger than the sum of its proper divisors (1).

223040471 is an equidigital number, since it uses as much as digits as its factorization.

223040471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 223040471 is about 14934.5395308995. The cubic root of 223040471 is about 606.4493820274.

Adding to 223040471 its reverse (174040322), we get a palindrome (397080793).

The spelling of 223040471 in words is "two hundred twenty-three million, forty thousand, four hundred seventy-one".