445341236536423 has 4 divisors (see below), whose sum is σ = 445511408964160. Its totient is φ = 445171064108688.

The previous prime is 445341236536393. The next prime is 445341236536429. The reversal of 445341236536423 is 324635632143544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445341236536423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445341236536429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85086209943 + ... + 85086215176.

It is an arithmetic number, because the mean of its divisors is an integer number (111377852241040).

Almost surely, 2^{445341236536423} is an apocalyptic number.

445341236536423 is a deficient number, since it is larger than the sum of its proper divisors (170172427737).

445341236536423 is a wasteful number, since it uses less digits than its factorization.

445341236536423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170172427736.

The product of its digits is 74649600, while the sum is 55.

Adding to 445341236536423 its reverse (324635632143544), we get a palindrome (769976868679967).

The spelling of 445341236536423 in words is "four hundred forty-five trillion, three hundred forty-one billion, two hundred thirty-six million, five hundred thirty-six thousand, four hundred twenty-three".