11012231023 has 4 divisors (see below), whose sum is σ = 11036757600. Its totient is φ = 10987704448.

The previous prime is 11012231017. The next prime is 11012231039. The reversal of 11012231023 is 32013221011.

11012231023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32013221011 = 19 ⋅1684906369.

It is a cyclic number.

It is not a de Polignac number, because 11012231023 - 2⁹ = 11012230511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012230988 and 11012231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012231003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12262615 + ... + 12263512.

It is an arithmetic number, because the mean of its divisors is an integer number (2759189400).

Almost surely, 2^11012231023 is an apocalyptic number.

11012231023 is a deficient number, since it is larger than the sum of its proper divisors (24526577).

11012231023 is an equidigital number, since it uses as much as digits as its factorization.

11012231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24526576.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11012231023 its reverse (32013221011), we get a palindrome (43025452034).

The spelling of 11012231023 in words is "eleven billion, twelve million, two hundred thirty-one thousand, twenty-three".