1304433243 has 6 divisors (see below), whose sum is σ = 1884181364. Its totient is φ = 869622156.

The previous prime is 1304433233. The next prime is 1304433257. The reversal of 1304433243 is 3423344031.

It is not a de Polignac number, because 1304433243 - 2¹³ = 1304425051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304433203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72468505 + ... + 72468522.

Almost surely, 2^1304433243 is an apocalyptic number.

1304433243 is a deficient number, since it is larger than the sum of its proper divisors (579748121).

1304433243 is a wasteful number, since it uses less digits than its factorization.

1304433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144937033 (or 144937030 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 1304433243 is about 36116.9384499849. The cubic root of 1304433243 is about 1092.6320933931.

Adding to 1304433243 its reverse (3423344031), we get a palindrome (4727777274).

The spelling of 1304433243 in words is "one billion, three hundred four million, four hundred thirty-three thousand, two hundred forty-three".