1304512226523 has 64 divisors (see below), whose sum is σ = 2120152320000. Its totient is φ = 786179520000.

The previous prime is 1304512226471. The next prime is 1304512226543. The reversal of 1304512226523 is 3256222154031.

1304512226523 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 5 + 122 + 2 + 6 + 523 = 666.

It is not a de Polignac number, because 1304512226523 - 2²⁰ = 1304511177947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304512226543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50162478 + ... + 50188476.

It is an arithmetic number, because the mean of its divisors is an integer number (33127380000).

Almost surely, 2^{1304512226523} is an apocalyptic number.

1304512226523 is a deficient number, since it is larger than the sum of its proper divisors (815640093477).

1304512226523 is a wasteful number, since it uses less digits than its factorization.

1304512226523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26961 (or 26955 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1304512226523 in words is "one trillion, three hundred four billion, five hundred twelve million, two hundred twenty-six thousand, five hundred twenty-three".