11011213023 has 4 divisors (see below), whose sum is σ = 14681617368. Its totient is φ = 7340808680.

The previous prime is 11011213001. The next prime is 11011213033. The reversal of 11011213023 is 32031211011.

It is a happy number.

11011213023 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.

It is a cyclic number.

It is not a de Polignac number, because 11011213023 - 2⁶ = 11011212959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011212993 and 11011213011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011213033) 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, 1835202168 + ... + 1835202173.

It is an arithmetic number, because the mean of its divisors is an integer number (3670404342).

Almost surely, 2^11011213023 is an apocalyptic number.

11011213023 is a deficient number, since it is larger than the sum of its proper divisors (3670404345).

11011213023 is an equidigital number, since it uses as much as digits as its factorization.

11011213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670404344.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11011213023 its reverse (32031211011), we get a palindrome (43042424034).

The spelling of 11011213023 in words is "eleven billion, eleven million, two hundred thirteen thousand, twenty-three".