1323030223 has 4 divisors (see below), whose sum is σ = 1324850800. Its totient is φ = 1321209648.

The previous prime is 1323030197. The next prime is 1323030227. The reversal of 1323030223 is 3220303231.

It is a happy number.

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 1323030223 - 2²¹ = 1320933071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323030227) 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, 909198 + ... + 910651.

It is an arithmetic number, because the mean of its divisors is an integer number (331212700).

Almost surely, 2^1323030223 is an apocalyptic number.

1323030223 is a deficient number, since it is larger than the sum of its proper divisors (1820577).

1323030223 is an equidigital number, since it uses as much as digits as its factorization.

1323030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820576.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1323030223 is about 36373.4824150782. The cubic root of 1323030223 is about 1097.8000723685.

Adding to 1323030223 its reverse (3220303231), we get a palindrome (4543333454).

The spelling of 1323030223 in words is "one billion, three hundred twenty-three million, thirty thousand, two hundred twenty-three".