223242343242389 has 2 divisors, whose sum is σ = 223242343242390. Its totient is φ = 223242343242388.

The previous prime is 223242343242263. The next prime is 223242343242439. The reversal of 223242343242389 is 983242343242322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158126852522500 + 65115490719889 = 12574850^2 + 8069417^2 .

It is a cyclic number.

It is not a de Polignac number, because 223242343242389 - 2²⁴ = 223242326465173 is a prime.

It is a super-3 number, since 3×223242343242389³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223242343242389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223242343242889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111621171621194 + 111621171621195.

It is an arithmetic number, because the mean of its divisors is an integer number (111621171621195).

Almost surely, 2^{223242343242389} is an apocalyptic number.

It is an amenable number.

223242343242389 is a deficient number, since it is larger than the sum of its proper divisors (1).

223242343242389 is an equidigital number, since it uses as much as digits as its factorization.

223242343242389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23887872, while the sum is 53.

The spelling of 223242343242389 in words is "two hundred twenty-three trillion, two hundred forty-two billion, three hundred forty-three million, two hundred forty-two thousand, three hundred eighty-nine".