223316723 has 4 divisors (see below), whose sum is σ = 255219120. Its totient is φ = 191414328.

The previous prime is 223316707. The next prime is 223316749. The reversal of 223316723 is 327613322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327613322 = 2 ⋅163806661.

It is not a de Polignac number, because 223316723 - 2⁴ = 223316707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223316783) 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, 15951188 + ... + 15951201.

It is an arithmetic number, because the mean of its divisors is an integer number (63804780).

Almost surely, 2^223316723 is an apocalyptic number.

223316723 is a deficient number, since it is larger than the sum of its proper divisors (31902397).

223316723 is an equidigital number, since it uses as much as digits as its factorization.

223316723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31902396.

The product of its digits is 9072, while the sum is 29.

The square root of 223316723 is about 14943.7854307401. The cubic root of 223316723 is about 606.6996560909.

The spelling of 223316723 in words is "two hundred twenty-three million, three hundred sixteen thousand, seven hundred twenty-three".