1304140323 has 8 divisors (see below), whose sum is σ = 1739201728. Its totient is φ = 869252904.

The previous prime is 1304140309. The next prime is 1304140337. The reversal of 1304140323 is 3230414031.

It is an interprime number because it is at equal distance from previous prime (1304140309) and next prime (1304140337).

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

It is not a de Polignac number, because 1304140323 - 2⁵ = 1304140291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304140323.

It is not an unprimeable number, because it can be changed into a prime (1304140223) 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 7 ways as a sum of consecutive naturals, for example, 24865 + ... + 56802.

It is an arithmetic number, because the mean of its divisors is an integer number (217400216).

Almost surely, 2^1304140323 is an apocalyptic number.

1304140323 is a deficient number, since it is larger than the sum of its proper divisors (435061405).

1304140323 is an equidigital number, since it uses as much as digits as its factorization.

1304140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86993.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1304140323 is about 36112.8830613121. The cubic root of 1304140323 is about 1092.5503011015.

Adding to 1304140323 its reverse (3230414031), we get a palindrome (4534554354).

The spelling of 1304140323 in words is "one billion, three hundred four million, one hundred forty thousand, three hundred twenty-three".