30231302123 has 16 divisors (see below), whose sum is σ = 33568542720. Its totient is φ = 26996508000.

The previous prime is 30231302119. The next prime is 30231302159. The reversal of 30231302123 is 32120313203.

It is not a de Polignac number, because 30231302123 - 2² = 30231302119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231302095 and 30231302104.

It is not an unprimeable number, because it can be changed into a prime (30231302183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33968 + ... + 248226.

It is an arithmetic number, because the mean of its divisors is an integer number (2098033920).

Almost surely, 2^30231302123 is an apocalyptic number.

30231302123 is a deficient number, since it is larger than the sum of its proper divisors (3337240597).

30231302123 is a wasteful number, since it uses less digits than its factorization.

30231302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214498.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30231302123 its reverse (32120313203), we get a palindrome (62351615326).

The spelling of 30231302123 in words is "thirty billion, two hundred thirty-one million, three hundred two thousand, one hundred twenty-three".