1320323003 has 8 divisors (see below), whose sum is σ = 1399026240. Its totient is φ = 1241735040.

The previous prime is 1320322967. The next prime is 1320323023. The reversal of 1320323003 is 3003230231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320323003 - 2¹⁴ = 1320306619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320323023) 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, 4643 + ... + 51596.

It is an arithmetic number, because the mean of its divisors is an integer number (174878280).

Almost surely, 2^1320323003 is an apocalyptic number.

1320323003 is a deficient number, since it is larger than the sum of its proper divisors (78703237).

1320323003 is a wasteful number, since it uses less digits than its factorization.

1320323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57637.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 1320323003 is about 36336.2491597578. The cubic root of 1320323003 is about 1097.0507783899.

Adding to 1320323003 its reverse (3003230231), we get a palindrome (4323553234).

The spelling of 1320323003 in words is "one billion, three hundred twenty million, three hundred twenty-three thousand, three".