11123122021223 has 8 divisors (see below), whose sum is σ = 11305542279936. Its totient is φ = 10940704149600.

The previous prime is 11123122021159. The next prime is 11123122021237. The reversal of 11123122021223 is 32212022132111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123122021223 - 2⁶ = 11123122021159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123122021283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10467293 + ... + 11480873.

It is an arithmetic number, because the mean of its divisors is an integer number (1413192784992).

Almost surely, 2^{11123122021223} is an apocalyptic number.

11123122021223 is a deficient number, since it is larger than the sum of its proper divisors (182420258713).

11123122021223 is a wasteful number, since it uses less digits than its factorization.

11123122021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193545.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11123122021223 its reverse (32212022132111), we get a palindrome (43335144153334).

The spelling of 11123122021223 in words is "eleven trillion, one hundred twenty-three billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty-three".