447667312376423 has 2 divisors, whose sum is σ = 447667312376424. Its totient is φ = 447667312376422.

The previous prime is 447667312376351. The next prime is 447667312376447. The reversal of 447667312376423 is 324673213766744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447667312376423 - 2¹⁸ = 447667312114279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447667312376423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447667312376723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223833656188211 + 223833656188212.

It is an arithmetic number, because the mean of its divisors is an integer number (223833656188212).

Almost surely, 2^{447667312376423} is an apocalyptic number.

447667312376423 is a deficient number, since it is larger than the sum of its proper divisors (1).

447667312376423 is an equidigital number, since it uses as much as digits as its factorization.

447667312376423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512096256, while the sum is 65.

The spelling of 447667312376423 in words is "four hundred forty-seven trillion, six hundred sixty-seven billion, three hundred twelve million, three hundred seventy-six thousand, four hundred twenty-three".