423056316245 has 4 divisors (see below), whose sum is σ = 507667579500. Its totient is φ = 338445052992.

The previous prime is 423056316209. The next prime is 423056316247. The reversal of 423056316245 is 542613650324.

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 330011185156 + 93045131089 = 574466^2 + 305033^2 .

It is a cyclic number.

It is not a de Polignac number, because 423056316245 - 2¹⁶ = 423056250709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423056316247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42305631620 + ... + 42305631629.

It is an arithmetic number, because the mean of its divisors is an integer number (126916894875).

Almost surely, 2^423056316245 is an apocalyptic number.

It is an amenable number.

423056316245 is a deficient number, since it is larger than the sum of its proper divisors (84611263255).

423056316245 is an equidigital number, since it uses as much as digits as its factorization.

423056316245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84611263254.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 423056316245 its reverse (542613650324), we get a palindrome (965669966569).

The spelling of 423056316245 in words is "four hundred twenty-three billion, fifty-six million, three hundred sixteen thousand, two hundred forty-five".