11003003023 has 4 divisors (see below), whose sum is σ = 11003355720. Its totient is φ = 11002650328.

The previous prime is 11003003021. The next prime is 11003003047. The reversal of 11003003023 is 32030030011.

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 11003003023 - 2¹ = 11003003021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11003002994 and 11003003012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003003021) 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, 124465 + ... + 193642.

It is an arithmetic number, because the mean of its divisors is an integer number (2750838930).

Almost surely, 2^11003003023 is an apocalyptic number.

11003003023 is a deficient number, since it is larger than the sum of its proper divisors (352697).

11003003023 is an equidigital number, since it uses as much as digits as its factorization.

11003003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352696.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 11003003023 its reverse (32030030011), we get a palindrome (43033033034).

The spelling of 11003003023 in words is "eleven billion, three million, three thousand, twenty-three".