11212123031023 has 4 divisors (see below), whose sum is σ = 11212214215600. Its totient is φ = 11212031846448.

The previous prime is 11212123031009. The next prime is 11212123031059. The reversal of 11212123031023 is 32013032121211.

11212123031023 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 11212123031023 - 2²⁵ = 11212089476591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212123030985 and 11212123031003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212123031093) 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, 45407598 + ... + 45653851.

It is an arithmetic number, because the mean of its divisors is an integer number (2803053553900).

Almost surely, 2^{11212123031023} is an apocalyptic number.

11212123031023 is a deficient number, since it is larger than the sum of its proper divisors (91184577).

11212123031023 is an equidigital number, since it uses as much as digits as its factorization.

11212123031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91184576.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11212123031023 its reverse (32013032121211), we get a palindrome (43225155152234).

The spelling of 11212123031023 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-three million, thirty-one thousand, twenty-three".