223573873 has 2 divisors, whose sum is σ = 223573874. Its totient is φ = 223573872.

The previous prime is 223573843. The next prime is 223573879. The reversal of 223573873 is 378375322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195356529 + 28217344 = 13977^2 + 5312^2 .

It is a cyclic number.

It is not a de Polignac number, because 223573873 - 2¹⁷ = 223442801 is a prime.

It is not a weakly prime, because it can be changed into another prime (223573879) 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, 111786936 + 111786937.

It is an arithmetic number, because the mean of its divisors is an integer number (111786937).

Almost surely, 2^223573873 is an apocalyptic number.

It is an amenable number.

223573873 is a deficient number, since it is larger than the sum of its proper divisors (1).

223573873 is an equidigital number, since it uses as much as digits as its factorization.

223573873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 223573873 is about 14952.3868663167. The cubic root of 223573873 is about 606.9324390335.

The spelling of 223573873 in words is "two hundred twenty-three million, five hundred seventy-three thousand, eight hundred seventy-three".