243130223303 has 4 divisors (see below), whose sum is σ = 265232970888. Its totient is φ = 221027475720.

The previous prime is 243130223261. The next prime is 243130223359. The reversal of 243130223303 is 303322031342.

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 243130223303 - 2¹⁴ = 243130206919 is a prime.

It is a super-2 number, since 2×243130223303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130220303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051373776 + ... + 11051373797.

It is an arithmetic number, because the mean of its divisors is an integer number (66308242722).

Almost surely, 2^243130223303 is an apocalyptic number.

243130223303 is a deficient number, since it is larger than the sum of its proper divisors (22102747585).

243130223303 is a wasteful number, since it uses less digits than its factorization.

243130223303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102747584.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 243130223303 its reverse (303322031342), we get a palindrome (546452254645).

The spelling of 243130223303 in words is "two hundred forty-three billion, one hundred thirty million, two hundred twenty-three thousand, three hundred three".