423545105050663 has 8 divisors (see below), whose sum is σ = 425477909835216. Its totient is φ = 421614247680000.

The previous prime is 423545105050649. The next prime is 423545105050721. The reversal of 423545105050663 is 366050501545324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423545105050663 - 2²⁹ = 423544568179751 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 (423545105050643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486417498 + ... + 487287463.

It is an arithmetic number, because the mean of its divisors is an integer number (53184738729402).

Almost surely, 2^{423545105050663} is an apocalyptic number.

423545105050663 is a deficient number, since it is larger than the sum of its proper divisors (1932804784553).

423545105050663 is a wasteful number, since it uses less digits than its factorization.

423545105050663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973706945.

The product of its (nonzero) digits is 6480000, while the sum is 49.

Adding to 423545105050663 its reverse (366050501545324), we get a palindrome (789595606595987).

The spelling of 423545105050663 in words is "four hundred twenty-three trillion, five hundred forty-five billion, one hundred five million, fifty thousand, six hundred sixty-three".