445123672043 has 2 divisors, whose sum is σ = 445123672044. Its totient is φ = 445123672042.

The previous prime is 445123672033. The next prime is 445123672079. The reversal of 445123672043 is 340276321544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445123672043 - 2⁴ = 445123672027 is a prime.

It is not a weakly prime, because it can be changed into another prime (445123672033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222561836021 + 222561836022.

It is an arithmetic number, because the mean of its divisors is an integer number (222561836022).

Almost surely, 2^445123672043 is an apocalyptic number.

445123672043 is a deficient number, since it is larger than the sum of its proper divisors (1).

445123672043 is an equidigital number, since it uses as much as digits as its factorization.

445123672043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 41.

Adding to 445123672043 its reverse (340276321544), we get a palindrome (785399993587).

The spelling of 445123672043 in words is "four hundred forty-five billion, one hundred twenty-three million, six hundred seventy-two thousand, forty-three".