11213133023 has 4 divisors (see below), whose sum is σ = 11213405400. Its totient is φ = 11212860648.

The previous prime is 11213133017. The next prime is 11213133083. The reversal of 11213133023 is 32033131211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32033131211 = 37 ⋅865760303.

It is a cyclic number.

It is not a de Polignac number, because 11213133023 - 2¹⁰ = 11213131999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11213132986 and 11213133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213133083) 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, 60365 + ... + 161462.

It is an arithmetic number, because the mean of its divisors is an integer number (2803351350).

Almost surely, 2^11213133023 is an apocalyptic number.

11213133023 is a deficient number, since it is larger than the sum of its proper divisors (272377).

11213133023 is an equidigital number, since it uses as much as digits as its factorization.

11213133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272376.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11213133023 its reverse (32033131211), we get a palindrome (43246264234).

The spelling of 11213133023 in words is "eleven billion, two hundred thirteen million, one hundred thirty-three thousand, twenty-three".