423143322144313 has 4 divisors (see below), whose sum is σ = 427332859987428. Its totient is φ = 418953784301200.

The previous prime is 423143322144293. The next prime is 423143322144341. The reversal of 423143322144313 is 313441223341324.

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 236755214469904 + 186388107674409 = 15386852^2 + 13652403^2 .

It is a cyclic number.

It is not a de Polignac number, because 423143322144313 - 2³⁷ = 423005883190841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423143322144373) 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, 2094768921406 + ... + 2094768921607.

It is an arithmetic number, because the mean of its divisors is an integer number (106833214996857).

Almost surely, 2^{423143322144313} is an apocalyptic number.

It is an amenable number.

423143322144313 is a deficient number, since it is larger than the sum of its proper divisors (4189537843115).

423143322144313 is a wasteful number, since it uses less digits than its factorization.

423143322144313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189537843114.

The product of its digits is 497664, while the sum is 40.

Adding to 423143322144313 its reverse (313441223341324), we get a palindrome (736584545485637).

The spelling of 423143322144313 in words is "four hundred twenty-three trillion, one hundred forty-three billion, three hundred twenty-two million, one hundred forty-four thousand, three hundred thirteen".