11423044211 has 4 divisors (see below), whose sum is σ = 11427989424. Its totient is φ = 11418099000.

The previous prime is 11423044201. The next prime is 11423044219. The reversal of 11423044211 is 11244032411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11244032411 = 173 ⋅64994407.

It is a cyclic number.

It is not a de Polignac number, because 11423044211 - 2²⁶ = 11355935347 is a prime.

It is a super-2 number, since 2×11423044211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423044219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469140 + ... + 2473761.

It is an arithmetic number, because the mean of its divisors is an integer number (2856997356).

Almost surely, 2^11423044211 is an apocalyptic number.

11423044211 is a deficient number, since it is larger than the sum of its proper divisors (4945213).

11423044211 is an equidigital number, since it uses as much as digits as its factorization.

11423044211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945212.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11423044211 its reverse (11244032411), we get a palindrome (22667076622).

The spelling of 11423044211 in words is "eleven billion, four hundred twenty-three million, forty-four thousand, two hundred eleven".