121323202303 has 8 divisors (see below), whose sum is σ = 131447300688. Its totient is φ = 111531041664.

The previous prime is 121323202291. The next prime is 121323202309. The reversal of 121323202303 is 303202323121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121323202303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323202309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82983676 + ... + 82985137.

It is an arithmetic number, because the mean of its divisors is an integer number (16430912586).

Almost surely, 2^121323202303 is an apocalyptic number.

121323202303 is a deficient number, since it is larger than the sum of its proper divisors (10124098385).

121323202303 is a wasteful number, since it uses less digits than its factorization.

121323202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165968873.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121323202303 its reverse (303202323121), we get a palindrome (424525525424).

The spelling of 121323202303 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred two thousand, three hundred three".