1304251223 has 4 divisors (see below), whose sum is σ = 1422819528. Its totient is φ = 1185682920.

The previous prime is 1304251217. The next prime is 1304251229. The reversal of 1304251223 is 3221524031.

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

It is an interprime number because it is at equal distance from previous prime (1304251217) and next prime (1304251229).

It is a cyclic number.

It is not a de Polignac number, because 1304251223 - 2²⁴ = 1287474007 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 (1304251229) 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 3 ways as a sum of consecutive naturals, for example, 59284136 + ... + 59284157.

It is an arithmetic number, because the mean of its divisors is an integer number (355704882).

Almost surely, 2^1304251223 is an apocalyptic number.

1304251223 is a deficient number, since it is larger than the sum of its proper divisors (118568305).

1304251223 is a wasteful number, since it uses less digits than its factorization.

1304251223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118568304.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1304251223 is about 36114.4184917880. The cubic root of 1304251223 is about 1092.5812692399.

Adding to 1304251223 its reverse (3221524031), we get a palindrome (4525775254).

The spelling of 1304251223 in words is "one billion, three hundred four million, two hundred fifty-one thousand, two hundred twenty-three".