1224323 has 4 divisors (see below), whose sum is σ = 1296360. Its totient is φ = 1152288.

The previous prime is 1224299. The next prime is 1224329. The reversal of 1224323 is 3234221.

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 1224323 - 2⁶ = 1224259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 72019 = 1224323 / (1 + 2 + 2 + 4 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224329) 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, 35993 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (324090).

2^1224323 is an apocalyptic number.

1224323 is a deficient number, since it is larger than the sum of its proper divisors (72037).

1224323 is an equidigital number, since it uses as much as digits as its factorization.

1224323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72036.

The product of its digits is 288, while the sum is 17.

The square root of 1224323 is about 1106.4913013666. The cubic root of 1224323 is about 106.9790333624.

Adding to 1224323 its reverse (3234221), we get a palindrome (4458544).

The spelling of 1224323 in words is "one million, two hundred twenty-four thousand, three hundred twenty-three".