445668957823 has 2 divisors, whose sum is σ = 445668957824. Its totient is φ = 445668957822.

The previous prime is 445668957743. The next prime is 445668957869. The reversal of 445668957823 is 328759866544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445668957823 - 2¹⁷ = 445668826751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445668957893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222834478911 + 222834478912.

It is an arithmetic number, because the mean of its divisors is an integer number (222834478912).

Almost surely, 2^445668957823 is an apocalyptic number.

445668957823 is a deficient number, since it is larger than the sum of its proper divisors (1).

445668957823 is an equidigital number, since it uses as much as digits as its factorization.

445668957823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 348364800, while the sum is 67.

The spelling of 445668957823 in words is "four hundred forty-five billion, six hundred sixty-eight million, nine hundred fifty-seven thousand, eight hundred twenty-three".