423123201313 has 4 divisors (see below), whose sum is σ = 423125233920. Its totient is φ = 423121168708.

The previous prime is 423123201299. The next prime is 423123201359. The reversal of 423123201313 is 313102321324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423123201313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423123201113) 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, 663145 + ... + 1134022.

It is an arithmetic number, because the mean of its divisors is an integer number (105781308480).

Almost surely, 2^423123201313 is an apocalyptic number.

It is an amenable number.

423123201313 is a deficient number, since it is larger than the sum of its proper divisors (2032607).

423123201313 is a wasteful number, since it uses less digits than its factorization.

423123201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032606.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 423123201313 its reverse (313102321324), we get a palindrome (736225522637).

The spelling of 423123201313 in words is "four hundred twenty-three billion, one hundred twenty-three million, two hundred one thousand, three hundred thirteen".