113223223213 has 4 divisors (see below), whose sum is σ = 113722004160. Its totient is φ = 112724442268.

The previous prime is 113223223187. The next prime is 113223223237. The reversal of 113223223213 is 312322322311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312322322311 = 11351 ⋅27514961.

It is a cyclic number.

It is not a de Polignac number, because 113223223213 - 2³³ = 104633288621 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 (113223223283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249390133 + ... + 249390586.

It is an arithmetic number, because the mean of its divisors is an integer number (28430501040).

Almost surely, 2^113223223213 is an apocalyptic number.

It is an amenable number.

113223223213 is a deficient number, since it is larger than the sum of its proper divisors (498780947).

113223223213 is an equidigital number, since it uses as much as digits as its factorization.

113223223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498780946.

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

Adding to 113223223213 its reverse (312322322311), we get a palindrome (425545545524).

The spelling of 113223223213 in words is "one hundred thirteen billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred thirteen".