1304423043 has 32 divisors (see below), whose sum is σ = 2177556480. Its totient is φ = 674758560.

The previous prime is 1304423041. The next prime is 1304423047. The reversal of 1304423043 is 3403244031.

It is not a de Polignac number, because 1304423043 - 2¹ = 1304423041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304423041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43396 + ... + 67022.

It is an arithmetic number, because the mean of its divisors is an integer number (68048640).

Almost surely, 2^1304423043 is an apocalyptic number.

1304423043 is a deficient number, since it is larger than the sum of its proper divisors (873133437).

1304423043 is a wasteful number, since it uses less digits than its factorization.

1304423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23887.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1304423043 is about 36116.7972417267. The cubic root of 1304423043 is about 1092.6292454445.

Adding to 1304423043 its reverse (3403244031), we get a palindrome (4707667074).

The spelling of 1304423043 in words is "one billion, three hundred four million, four hundred twenty-three thousand, forty-three".