1323201003 has 8 divisors (see below), whose sum is σ = 1784091600. Its totient is φ = 872222208.

The previous prime is 1323200929. The next prime is 1323201029. The reversal of 1323201003 is 3001023231.

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

It is not a de Polignac number, because 1323201003 - 2²¹ = 1321103851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323201403) 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, 2477638 + ... + 2478171.

It is an arithmetic number, because the mean of its divisors is an integer number (223011450).

Almost surely, 2^1323201003 is an apocalyptic number.

1323201003 is a deficient number, since it is larger than the sum of its proper divisors (460890597).

1323201003 is an equidigital number, since it uses as much as digits as its factorization.

1323201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955901.

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

The square root of 1323201003 is about 36375.8299286765. The cubic root of 1323201003 is about 1097.8473059154.

Adding to 1323201003 its reverse (3001023231), we get a palindrome (4324224234).

The spelling of 1323201003 in words is "one billion, three hundred twenty-three million, two hundred one thousand, three".