1320323033 has 4 divisors (see below), whose sum is σ = 1320518160. Its totient is φ = 1320127908.

The previous prime is 1320323023. The next prime is 1320323141. The reversal of 1320323033 is 3303230231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320323033 is a prime.

It is a super-2 number, since 2×1320323033² = 3486505822940638178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320322996 and 1320323014.

It is not an unprimeable number, because it can be changed into a prime (1320323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87035 + ... + 101072.

It is an arithmetic number, because the mean of its divisors is an integer number (330129540).

Almost surely, 2^1320323033 is an apocalyptic number.

It is an amenable number.

1320323033 is a deficient number, since it is larger than the sum of its proper divisors (195127).

1320323033 is an equidigital number, since it uses as much as digits as its factorization.

1320323033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195126.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 1320323033 is about 36336.2495725687. The cubic root of 1320323033 is about 1097.0507866989.

Adding to 1320323033 its reverse (3303230231), we get a palindrome (4623553264).

The spelling of 1320323033 in words is "one billion, three hundred twenty million, three hundred twenty-three thousand, thirty-three".