113121123323 has 4 divisors (see below), whose sum is σ = 121822748208. Its totient is φ = 104419498440.

The previous prime is 113121123319. The next prime is 113121123329. The reversal of 113121123323 is 323321121311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113121123323 - 2² = 113121123319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113121123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350812423 + ... + 4350812448.

It is an arithmetic number, because the mean of its divisors is an integer number (30455687052).

Almost surely, 2^113121123323 is an apocalyptic number.

113121123323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113121123323 is a deficient number, since it is larger than the sum of its proper divisors (8701624885).

113121123323 is an equidigital number, since it uses as much as digits as its factorization.

113121123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8701624884.

The product of its digits is 648, while the sum is 23.

Adding to 113121123323 its reverse (323321121311), we get a palindrome (436442244634).

The spelling of 113121123323 in words is "one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-three thousand, three hundred twenty-three".