223023143 has 4 divisors (see below), whose sum is σ = 254883600. Its totient is φ = 191162688.

The previous prime is 223023139. The next prime is 223023167. The reversal of 223023143 is 341320322.

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 223023143 - 2² = 223023139 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 (223023113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15930218 + ... + 15930231.

It is an arithmetic number, because the mean of its divisors is an integer number (63720900).

Almost surely, 2^223023143 is an apocalyptic number.

223023143 is a deficient number, since it is larger than the sum of its proper divisors (31860457).

223023143 is an equidigital number, since it uses as much as digits as its factorization.

223023143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31860456.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 223023143 is about 14933.9593879185. The cubic root of 223023143 is about 606.4336766161.

Adding to 223023143 its reverse (341320322), we get a palindrome (564343465).

The spelling of 223023143 in words is "two hundred twenty-three million, twenty-three thousand, one hundred forty-three".