423321301213 has 4 divisors (see below), whose sum is σ = 434762417500. Its totient is φ = 411880184928.

The previous prime is 423321301171. The next prime is 423321301261. The reversal of 423321301213 is 312103123324.

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 360722762404 + 62598538809 = 600602^2 + 250197^2 .

It is a cyclic number.

It is not a de Polignac number, because 423321301213 - 2²⁹ = 422784430301 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 (423321301283) 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, 5720558088 + ... + 5720558161.

It is an arithmetic number, because the mean of its divisors is an integer number (108690604375).

Almost surely, 2^423321301213 is an apocalyptic number.

It is an amenable number.

423321301213 is a deficient number, since it is larger than the sum of its proper divisors (11441116287).

423321301213 is a wasteful number, since it uses less digits than its factorization.

423321301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441116286.

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

Adding to 423321301213 its reverse (312103123324), we get a palindrome (735424424537).

The spelling of 423321301213 in words is "four hundred twenty-three billion, three hundred twenty-one million, three hundred one thousand, two hundred thirteen".