11113131323023 has 4 divisors (see below), whose sum is σ = 11170712314528. Its totient is φ = 11055550331520.

The previous prime is 11113131322987. The next prime is 11113131323033. The reversal of 11113131323023 is 32032313131111.

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 11113131323023 - 2¹⁷ = 11113131191951 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 (11113131323033) 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, 28790495463 + ... + 28790495848.

It is an arithmetic number, because the mean of its divisors is an integer number (2792678078632).

Almost surely, 2^{11113131323023} is an apocalyptic number.

11113131323023 is a deficient number, since it is larger than the sum of its proper divisors (57580991505).

11113131323023 is an equidigital number, since it uses as much as digits as its factorization.

11113131323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57580991504.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11113131323023 its reverse (32032313131111), we get a palindrome (43145444454134).

The spelling of 11113131323023 in words is "eleven trillion, one hundred thirteen billion, one hundred thirty-one million, three hundred twenty-three thousand, twenty-three".