223043243129 has 6 divisors (see below), whose sum is σ = 259458466554. Its totient is φ = 191179922640.

The previous prime is 223043243119. The next prime is 223043243147. The reversal of 223043243129 is 921342340322.

It can be written as a sum of positive squares in only one way, i.e., 222727363600 + 315879529 = 471940^2 + 17773^2 .

It is a de Polignac number, because none of the positive numbers 2^k-223043243129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223043243119) 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 5 ways as a sum of consecutive naturals, for example, 2275951412 + ... + 2275951509.

It is an arithmetic number, because the mean of its divisors is an integer number (43243077759).

Almost surely, 2^223043243129 is an apocalyptic number.

It is an amenable number.

223043243129 is a deficient number, since it is larger than the sum of its proper divisors (36415223425).

223043243129 is an equidigital number, since it uses as much as digits as its factorization.

223043243129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551902935 (or 4551902928 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 223043243129 in words is "two hundred twenty-three billion, forty-three million, two hundred forty-three thousand, one hundred twenty-nine".