431023200005 has 4 divisors (see below), whose sum is σ = 517227840012. Its totient is φ = 344818560000.

The previous prime is 431023199989. The next prime is 431023200017. The reversal of 431023200005 is 500002320134.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 305215366369 + 125807833636 = 552463^2 + 354694^2 .

It is not a de Polignac number, because 431023200005 - 2⁴ = 431023199989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431023200005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43102319996 + ... + 43102320005.

It is an arithmetic number, because the mean of its divisors is an integer number (129306960003).

Almost surely, 2^431023200005 is an apocalyptic number.

It is an amenable number.

431023200005 is a deficient number, since it is larger than the sum of its proper divisors (86204640007).

431023200005 is an equidigital number, since it uses as much as digits as its factorization.

431023200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86204640006.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 431023200005 its reverse (500002320134), we get a palindrome (931025520139).

The spelling of 431023200005 in words is "four hundred thirty-one billion, twenty-three million, two hundred thousand, five".