447485134823 has 2 divisors, whose sum is σ = 447485134824. Its totient is φ = 447485134822.

The previous prime is 447485134801. The next prime is 447485134841. The reversal of 447485134823 is 328431584744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447485134823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447485134883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223742567411 + 223742567412.

It is an arithmetic number, because the mean of its divisors is an integer number (223742567412).

Almost surely, 2^447485134823 is an apocalyptic number.

447485134823 is a deficient number, since it is larger than the sum of its proper divisors (1).

447485134823 is an equidigital number, since it uses as much as digits as its factorization.

447485134823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10321920, while the sum is 53.

The spelling of 447485134823 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-four thousand, eight hundred twenty-three".