123313233313213 has 4 divisors (see below), whose sum is σ = 125050039416288. Its totient is φ = 121576427210140.

The previous prime is 123313233313183. The next prime is 123313233313217. The reversal of 123313233313213 is 312313332313321.

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-123313233313213 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 (123313233313217) 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, 868403051431 + ... + 868403051572.

It is an arithmetic number, because the mean of its divisors is an integer number (31262509854072).

Almost surely, 2^{123313233313213} is an apocalyptic number.

It is an amenable number.

123313233313213 is a deficient number, since it is larger than the sum of its proper divisors (1736806103075).

123313233313213 is an equidigital number, since it uses as much as digits as its factorization.

123313233313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736806103074.

The product of its digits is 52488, while the sum is 34.

Adding to 123313233313213 its reverse (312313332313321), we get a palindrome (435626565626534).

The spelling of 123313233313213 in words is "one hundred twenty-three trillion, three hundred thirteen billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred thirteen".