223045871 has 4 divisors (see below), whose sum is σ = 223512000. Its totient is φ = 222579744.

The previous prime is 223045843. The next prime is 223045877. The reversal of 223045871 is 178540322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223045871 - 2¹⁴ = 223029487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223045877) 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 in 3 ways as a sum of consecutive naturals, for example, 232346 + ... + 233303.

It is an arithmetic number, because the mean of its divisors is an integer number (55878000).

Almost surely, 2^223045871 is an apocalyptic number.

223045871 is a deficient number, since it is larger than the sum of its proper divisors (466129).

223045871 is an equidigital number, since it uses as much as digits as its factorization.

223045871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466128.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 223045871 is about 14934.7203187740. The cubic root of 223045871 is about 606.4542762068.

The spelling of 223045871 in words is "two hundred twenty-three million, forty-five thousand, eight hundred seventy-one".