30313243123 has 2 divisors, whose sum is σ = 30313243124. Its totient is φ = 30313243122.

The previous prime is 30313243111. The next prime is 30313243127. The reversal of 30313243123 is 32134231303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30313243123 - 2⁵ = 30313243091 is a prime.

It is a super-3 number, since 3×30313243123³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30313243127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156621561 + 15156621562.

It is an arithmetic number, because the mean of its divisors is an integer number (15156621562).

Almost surely, 2^30313243123 is an apocalyptic number.

30313243123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313243123 is an equidigital number, since it uses as much as digits as its factorization.

30313243123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30313243123 its reverse (32134231303), we get a palindrome (62447474426).

The spelling of 30313243123 in words is "thirty billion, three hundred thirteen million, two hundred forty-three thousand, one hundred twenty-three".