243402103223 has 4 divisors (see below), whose sum is σ = 243637730688. Its totient is φ = 243166475760.

The previous prime is 243402103207. The next prime is 243402103283. The reversal of 243402103223 is 322301204342.

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 243402103223 - 2⁴ = 243402103207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243402103192 and 243402103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243402103283) 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, 117812183 + ... + 117814248.

It is an arithmetic number, because the mean of its divisors is an integer number (60909432672).

Almost surely, 2^243402103223 is an apocalyptic number.

243402103223 is a deficient number, since it is larger than the sum of its proper divisors (235627465).

243402103223 is a wasteful number, since it uses less digits than its factorization.

243402103223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235627464.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243402103223 its reverse (322301204342), we get a palindrome (565703307565).

The spelling of 243402103223 in words is "two hundred forty-three billion, four hundred two million, one hundred three thousand, two hundred twenty-three".