1304244252523 has 4 divisors (see below), whose sum is σ = 1304247778168. Its totient is φ = 1304240726880.

The previous prime is 1304244252463. The next prime is 1304244252539. The reversal of 1304244252523 is 3252524424031.

It is a happy number.

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 1304244252523 - 2²⁹ = 1303707381611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304244250523) 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, 1132893 + ... + 1972798.

It is an arithmetic number, because the mean of its divisors is an integer number (326061944542).

Almost surely, 2^{1304244252523} is an apocalyptic number.

1304244252523 is a deficient number, since it is larger than the sum of its proper divisors (3525645).

1304244252523 is an equidigital number, since it uses as much as digits as its factorization.

1304244252523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525644.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 1304244252523 its reverse (3252524424031), we get a palindrome (4556768676554).

The spelling of 1304244252523 in words is "one trillion, three hundred four billion, two hundred forty-four million, two hundred fifty-two thousand, five hundred twenty-three".