1304587223 has 4 divisors (see below), whose sum is σ = 1305320688. Its totient is φ = 1303853760.

The previous prime is 1304587199. The next prime is 1304587237. The reversal of 1304587223 is 3227854031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1304587223 - 2³⁰ = 230845399 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 (1304587423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364058 + ... + 367623.

It is an arithmetic number, because the mean of its divisors is an integer number (326330172).

Almost surely, 2^1304587223 is an apocalyptic number.

1304587223 is a deficient number, since it is larger than the sum of its proper divisors (733465).

1304587223 is an equidigital number, since it uses as much as digits as its factorization.

1304587223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733464.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1304587223 is about 36119.0700738543. The cubic root of 1304587223 is about 1092.6750844446.

The spelling of 1304587223 in words is "one billion, three hundred four million, five hundred eighty-seven thousand, two hundred twenty-three".