30243218123 has 2 divisors, whose sum is σ = 30243218124. Its totient is φ = 30243218122.

The previous prime is 30243218069. The next prime is 30243218177. The reversal of 30243218123 is 32181234203.

It is a balanced prime because it is at equal distance from previous prime (30243218069) and next prime (30243218177).

It is a cyclic number.

It is not a de Polignac number, because 30243218123 - 2¹⁰ = 30243217099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30243218923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121609061 + 15121609062.

It is an arithmetic number, because the mean of its divisors is an integer number (15121609062).

Almost surely, 2^30243218123 is an apocalyptic number.

30243218123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30243218123 is an equidigital number, since it uses as much as digits as its factorization.

30243218123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 30243218123 in words is "thirty billion, two hundred forty-three million, two hundred eighteen thousand, one hundred twenty-three".