30323013123 has 16 divisors (see below), whose sum is σ = 43543905440. Its totient is φ = 18658957824.

The previous prime is 30323013073. The next prime is 30323013139. The reversal of 30323013123 is 32131032303.

It is not a de Polignac number, because 30323013123 - 2¹⁶ = 30322947587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30323013123.

It is not an unprimeable number, because it can be changed into a prime (30323013323) 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 in 15 ways as a sum of consecutive naturals, for example, 900315 + ... + 933387.

It is an arithmetic number, because the mean of its divisors is an integer number (2721494090).

Almost surely, 2^30323013123 is an apocalyptic number.

30323013123 is a deficient number, since it is larger than the sum of its proper divisors (13220892317).

30323013123 is a wasteful number, since it uses less digits than its factorization.

30323013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56598.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30323013123 its reverse (32131032303), we get a palindrome (62454045426).

The spelling of 30323013123 in words is "thirty billion, three hundred twenty-three million, thirteen thousand, one hundred twenty-three".