223320521103 has 16 divisors (see below), whose sum is σ = 320101086720. Its totient is φ = 138043590336.

The previous prime is 223320521093. The next prime is 223320521107. The reversal of 223320521103 is 301125023322.

It is a happy number.

It is not a de Polignac number, because 223320521103 - 2⁸ = 223320520847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223320521107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41677150 + ... + 41682507.

It is an arithmetic number, because the mean of its divisors is an integer number (20006317920).

Almost surely, 2^223320521103 is an apocalyptic number.

223320521103 is a deficient number, since it is larger than the sum of its proper divisors (96780565617).

223320521103 is a wasteful number, since it uses less digits than its factorization.

223320521103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83359726.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 223320521103 its reverse (301125023322), we get a palindrome (524445544425).

The spelling of 223320521103 in words is "two hundred twenty-three billion, three hundred twenty million, five hundred twenty-one thousand, one hundred three".