11031110023 has 4 divisors (see below), whose sum is σ = 11047501648. Its totient is φ = 11014718400.

The previous prime is 11031110021. The next prime is 11031110039. The reversal of 11031110023 is 32001113011.

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 11031110023 - 2¹ = 11031110021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031109985 and 11031110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031110021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8194803 + ... + 8196148.

It is an arithmetic number, because the mean of its divisors is an integer number (2761875412).

Almost surely, 2^11031110023 is an apocalyptic number.

11031110023 is a deficient number, since it is larger than the sum of its proper divisors (16391625).

11031110023 is an equidigital number, since it uses as much as digits as its factorization.

11031110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16391624.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11031110023 its reverse (32001113011), we get a palindrome (43032223034).

The spelling of 11031110023 in words is "eleven billion, thirty-one million, one hundred ten thousand, twenty-three".