11440211223 has 8 divisors (see below), whose sum is σ = 17432702848. Its totient is φ = 6537263544.

The previous prime is 11440211197. The next prime is 11440211231. The reversal of 11440211223 is 32211204411.

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

It is not a de Polignac number, because 11440211223 - 2⁹ = 11440210711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 544771963 = 11440211223 / (1 + 1 + 4 + 4 + 0 + 2 + 1 + 1 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11440211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440211243) 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, 272385961 + ... + 272386002.

It is an arithmetic number, because the mean of its divisors is an integer number (2179087856).

Almost surely, 2^11440211223 is an apocalyptic number.

11440211223 is a deficient number, since it is larger than the sum of its proper divisors (5992491625).

11440211223 is an equidigital number, since it uses as much as digits as its factorization.

11440211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544771973.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11440211223 its reverse (32211204411), we get a palindrome (43651415634).

The spelling of 11440211223 in words is "eleven billion, four hundred forty million, two hundred eleven thousand, two hundred twenty-three".