11203012223 has 8 divisors (see below), whose sum is σ = 12774475728. Its totient is φ = 9732933504.

The previous prime is 11203012207. The next prime is 11203012253. The reversal of 11203012223 is 32221030211.

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 11203012223 - 2⁴ = 11203012207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203012253) 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 7 ways as a sum of consecutive naturals, for example, 25345961 + ... + 25346402.

It is an arithmetic number, because the mean of its divisors is an integer number (1596809466).

Almost surely, 2^11203012223 is an apocalyptic number.

11203012223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11203012223 is a deficient number, since it is larger than the sum of its proper divisors (1571463505).

11203012223 is a wasteful number, since it uses less digits than its factorization.

11203012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50692393.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11203012223 its reverse (32221030211), we get a palindrome (43424042434).

The spelling of 11203012223 in words is "eleven billion, two hundred three million, twelve thousand, two hundred twenty-three".