223130544203 has 4 divisors (see below), whose sum is σ = 255006336240. Its totient is φ = 191254752168.

The previous prime is 223130544199. The next prime is 223130544311. The reversal of 223130544203 is 302445031322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223130544203 - 2² = 223130544199 is a prime.

It is a super-3 number, since 3×223130544203³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223130540203) 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, 15937896008 + ... + 15937896021.

It is an arithmetic number, because the mean of its divisors is an integer number (63751584060).

Almost surely, 2^223130544203 is an apocalyptic number.

223130544203 is a deficient number, since it is larger than the sum of its proper divisors (31875792037).

223130544203 is an equidigital number, since it uses as much as digits as its factorization.

223130544203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31875792036.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 223130544203 its reverse (302445031322), we get a palindrome (525575575525).

The spelling of 223130544203 in words is "two hundred twenty-three billion, one hundred thirty million, five hundred forty-four thousand, two hundred three".