223012021103 has 4 divisors (see below), whose sum is σ = 223015610400. Its totient is φ = 223008431808.

The previous prime is 223012021061. The next prime is 223012021109. The reversal of 223012021103 is 301120210322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223012021103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012021109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699778 + ... + 1826271.

It is an arithmetic number, because the mean of its divisors is an integer number (55753902600).

Almost surely, 2^223012021103 is an apocalyptic number.

223012021103 is a deficient number, since it is larger than the sum of its proper divisors (3589297).

223012021103 is an equidigital number, since it uses as much as digits as its factorization.

223012021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589296.

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

Adding to 223012021103 its reverse (301120210322), we get a palindrome (524132231425).

The spelling of 223012021103 in words is "two hundred twenty-three billion, twelve million, twenty-one thousand, one hundred three".