11012031223 has 8 divisors (see below), whose sum is σ = 11201058000. Its totient is φ = 10823083968.

The previous prime is 11012031187. The next prime is 11012031271. The reversal of 11012031223 is 32213021011.

11012031223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012031223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012031197 and 11012031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012031523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304365 + ... + 338617.

It is an arithmetic number, because the mean of its divisors is an integer number (1400132250).

Almost surely, 2^11012031223 is an apocalyptic number.

11012031223 is a deficient number, since it is larger than the sum of its proper divisors (189026777).

11012031223 is an equidigital number, since it uses as much as digits as its factorization.

11012031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39761.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11012031223 its reverse (32213021011), we get a palindrome (43225052234).

The spelling of 11012031223 in words is "eleven billion, twelve million, thirty-one thousand, two hundred twenty-three".