202303122009 has 8 divisors (see below), whose sum is σ = 269773381152. Its totient is φ = 134850805440.

The previous prime is 202303121957. The next prime is 202303122011. The reversal of 202303122009 is 900221303202.

202303122009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-202303122009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202303122009.

It is not an unprimeable number, because it can be changed into a prime (202303126009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4459312 + ... + 4504449.

It is an arithmetic number, because the mean of its divisors is an integer number (33721672644).

Almost surely, 2^202303122009 is an apocalyptic number.

It is an amenable number.

202303122009 is a deficient number, since it is larger than the sum of its proper divisors (67470259143).

202303122009 is an equidigital number, since it uses as much as digits as its factorization.

202303122009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8971287.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 202303122009 in words is "two hundred two billion, three hundred three million, one hundred twenty-two thousand, nine".