243120032303 has 2 divisors, whose sum is σ = 243120032304. Its totient is φ = 243120032302.

The previous prime is 243120032293. The next prime is 243120032317. The reversal of 243120032303 is 303230021342.

243120032303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243120032303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243120034303) 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 as a sum of consecutive naturals, namely, 121560016151 + 121560016152.

It is an arithmetic number, because the mean of its divisors is an integer number (121560016152).

Almost surely, 2^243120032303 is an apocalyptic number.

243120032303 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120032303 is an equidigital number, since it uses as much as digits as its factorization.

243120032303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 243120032303 its reverse (303230021342), we get a palindrome (546350053645).

The spelling of 243120032303 in words is "two hundred forty-three billion, one hundred twenty million, thirty-two thousand, three hundred three".