1323123 has 4 divisors (see below), whose sum is σ = 1764168. Its totient is φ = 882080.

The previous prime is 1323109. The next prime is 1323131. The reversal of 1323123 is 3213231.

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 1323123 - 2⁴ = 1323107 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1323143) 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, 220518 + ... + 220523.

It is an arithmetic number, because the mean of its divisors is an integer number (441042).

2^1323123 is an apocalyptic number.

1323123 is a deficient number, since it is larger than the sum of its proper divisors (441045).

1323123 is an equidigital number, since it uses as much as digits as its factorization.

1323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441044.

The product of its digits is 108, while the sum is 15.

The square root of 1323123 is about 1150.2708376726. The cubic root of 1323123 is about 109.7825732709.

Adding to 1323123 its product of digits (108), we get a palindrome (1323231).

Adding to 1323123 its reverse (3213231), we get a palindrome (4536354).

The spelling of 1323123 in words is "one million, three hundred twenty-three thousand, one hundred twenty-three".