123321231213 has 8 divisors (see below), whose sum is σ = 168872316768. Its totient is φ = 79992149904.

The previous prime is 123321231149. The next prime is 123321231247. The reversal of 123321231213 is 312132123321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123321231213 - 2⁶ = 123321231149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321231283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555500931 + ... + 555501152.

It is an arithmetic number, because the mean of its divisors is an integer number (21109039596).

Almost surely, 2^123321231213 is an apocalyptic number.

It is an amenable number.

123321231213 is a deficient number, since it is larger than the sum of its proper divisors (45551085555).

123321231213 is a wasteful number, since it uses less digits than its factorization.

123321231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111002123.

The product of its digits is 1296, while the sum is 24.

Adding to 123321231213 its reverse (312132123321), we get a palindrome (435453354534).

The spelling of 123321231213 in words is "one hundred twenty-three billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred thirteen".