223143 has 4 divisors (see below), whose sum is σ = 297528. Its totient is φ = 148760.

The previous prime is 223133. The next prime is 223151. The reversal of 223143 is 341322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223143 is a prime.

It is a super-3 number, since 3×223143³ = 33332743272915621, which contains 333 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223103) 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, 37188 + ... + 37193.

It is an arithmetic number, because the mean of its divisors is an integer number (74382).

2²²³¹⁴³ is an apocalyptic number.

223143 is a deficient number, since it is larger than the sum of its proper divisors (74385).

223143 is an equidigital number, since it uses as much as digits as its factorization.

223143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74384.

The product of its digits is 144, while the sum is 15.

The square root of 223143 is about 472.3801435285. The cubic root of 223143 is about 60.6542293601.

Adding to 223143 its reverse (341322), we get a palindrome (564465).

The spelling of 223143 in words is "two hundred twenty-three thousand, one hundred forty-three", and thus it is an iban number.