123013205224213 has 4 divisors (see below), whose sum is σ = 129487584446560. Its totient is φ = 116538826001868.

The previous prime is 123013205224193. The next prime is 123013205224219. The reversal of 123013205224213 is 312422502310321.

It is a happy number.

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 not a de Polignac number, because 123013205224213 - 2²⁵ = 123013171669781 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 (123013205224219) 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, 3237189611145 + ... + 3237189611182.

It is an arithmetic number, because the mean of its divisors is an integer number (32371896111640).

Almost surely, 2^{123013205224213} is an apocalyptic number.

It is an amenable number.

123013205224213 is a deficient number, since it is larger than the sum of its proper divisors (6474379222347).

123013205224213 is an equidigital number, since it uses as much as digits as its factorization.

123013205224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474379222346.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 123013205224213 its reverse (312422502310321), we get a palindrome (435435707534534).

The spelling of 123013205224213 in words is "one hundred twenty-three trillion, thirteen billion, two hundred five million, two hundred twenty-four thousand, two hundred thirteen".