223436047 has 2 divisors, whose sum is σ = 223436048. Its totient is φ = 223436046.

The previous prime is 223436033. The next prime is 223436051. The reversal of 223436047 is 740634322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223436047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223436027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111718023 + 111718024.

It is an arithmetic number, because the mean of its divisors is an integer number (111718024).

Almost surely, 2^223436047 is an apocalyptic number.

223436047 is a deficient number, since it is larger than the sum of its proper divisors (1).

223436047 is an equidigital number, since it uses as much as digits as its factorization.

223436047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 223436047 is about 14947.7773264121. Note that the first 3 decimals coincide. The cubic root of 223436047 is about 606.8076953794.

The spelling of 223436047 in words is "two hundred twenty-three million, four hundred thirty-six thousand, forty-seven".