1304023133 has 24 divisors (see below), whose sum is σ = 1564608960. Its totient is φ = 1083143040.

The previous prime is 1304023103. The next prime is 1304023139. The reversal of 1304023133 is 3313204031.

It is not a de Polignac number, because 1304023133 - 2⁶ = 1304023069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304023139) 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 23 ways as a sum of consecutive naturals, for example, 202085 + ... + 208437.

It is an arithmetic number, because the mean of its divisors is an integer number (65192040).

Almost surely, 2^1304023133 is an apocalyptic number.

It is an amenable number.

1304023133 is a deficient number, since it is larger than the sum of its proper divisors (260585827).

1304023133 is an equidigital number, since it uses as much as digits as its factorization.

1304023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497 (or 6490 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1304023133 is about 36111.2604737082. The cubic root of 1304023133 is about 1092.5175746116.

Adding to 1304023133 its reverse (3313204031), we get a palindrome (4617227164).

The spelling of 1304023133 in words is "one billion, three hundred four million, twenty-three thousand, one hundred thirty-three".