1323504203 has 8 divisors (see below), whose sum is σ = 1578340608. Its totient is φ = 1085108904.

The previous prime is 1323504199. The next prime is 1323504209. The reversal of 1323504203 is 3024053231.

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

It is not a de Polignac number, because 1323504203 - 2² = 1323504199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323504209) 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, 4110101 + ... + 4110422.

It is an arithmetic number, because the mean of its divisors is an integer number (197292576).

Almost surely, 2^1323504203 is an apocalyptic number.

1323504203 is a deficient number, since it is larger than the sum of its proper divisors (254836405).

1323504203 is an equidigital number, since it uses as much as digits as its factorization.

1323504203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220553.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1323504203 is about 36379.9972924683. The cubic root of 1323504203 is about 1097.9311535649.

Adding to 1323504203 its reverse (3024053231), we get a palindrome (4347557434).

The spelling of 1323504203 in words is "one billion, three hundred twenty-three million, five hundred four thousand, two hundred three".