1323303 has 4 divisors (see below), whose sum is σ = 1764408. Its totient is φ = 882200.

The previous prime is 1323281. The next prime is 1323307. The reversal of 1323303 is 3033231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3033231 = 3 ⋅1011077.

It is a cyclic number.

It is not a de Polignac number, because 1323303 - 2¹² = 1319207 is a prime.

It is a super-2 number, since 2×1323303² = 3502261659618, which contains 22 as substring.

It is a D-number.

1323303 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323307) 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, 220548 + ... + 220553.

It is an arithmetic number, because the mean of its divisors is an integer number (441102).

2^1323303 is an apocalyptic number.

1323303 is a deficient number, since it is larger than the sum of its proper divisors (441105).

1323303 is an equidigital number, since it uses as much as digits as its factorization.

1323303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441104.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 1323303 is about 1150.3490774543. The cubic root of 1323303 is about 109.7875513838.

Adding to 1323303 its reverse (3033231), we get a palindrome (4356534).

The spelling of 1323303 in words is "one million, three hundred twenty-three thousand, three hundred three".