2223123 has 8 divisors (see below), whose sum is σ = 3387648. Its totient is φ = 1270344.

The previous prime is 2223119. The next prime is 2223149. The reversal of 2223123 is 3213222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2223123 - 2² = 2223119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2223113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52911 + ... + 52952.

It is an arithmetic number, because the mean of its divisors is an integer number (423456).

2^2223123 is an apocalyptic number.

2223123 is a deficient number, since it is larger than the sum of its proper divisors (1164525).

2223123 is a wasteful number, since it uses less digits than its factorization.

2223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105873.

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

The square root of 2223123 is about 1491.0140844405. The cubic root of 2223123 is about 130.5132177860.

Adding to 2223123 its reverse (3213222), we get a palindrome (5436345).

Subtracting 2223123 from its reverse (3213222), we obtain a palindrome (990099).

It can be divided in two parts, 2223 and 123, that added together give a triangular number (2346 = T₆₈).

The spelling of 2223123 in words is "two million, two hundred twenty-three thousand, one hundred twenty-three".