445324423543 has 2 divisors, whose sum is σ = 445324423544. Its totient is φ = 445324423542.

The previous prime is 445324423483. The next prime is 445324423553. The reversal of 445324423543 is 345324423544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445324423543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445324423543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445324423553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222662211771 + 222662211772.

It is an arithmetic number, because the mean of its divisors is an integer number (222662211772).

Almost surely, 2^445324423543 is an apocalyptic number.

445324423543 is a deficient number, since it is larger than the sum of its proper divisors (1).

445324423543 is an equidigital number, since it uses as much as digits as its factorization.

445324423543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 43.

Subtracting from 445324423543 its reverse (345324423544), we obtain a palindrome (99999999999).

The spelling of 445324423543 in words is "four hundred forty-five billion, three hundred twenty-four million, four hundred twenty-three thousand, five hundred forty-three".