30130112123 has 4 divisors (see below), whose sum is σ = 30406535280. Its totient is φ = 29853688968.

The previous prime is 30130112113. The next prime is 30130112141. The reversal of 30130112123 is 32121103103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32121103103 = 73 ⋅440015111.

It is a cyclic number.

It is not a de Polignac number, because 30130112123 - 2⁶ = 30130112059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30130112113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138211415 + ... + 138211632.

It is an arithmetic number, because the mean of its divisors is an integer number (7601633820).

Almost surely, 2^30130112123 is an apocalyptic number.

30130112123 is a deficient number, since it is larger than the sum of its proper divisors (276423157).

30130112123 is a wasteful number, since it uses less digits than its factorization.

30130112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276423156.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30130112123 its reverse (32121103103), we get a palindrome (62251215226).

The spelling of 30130112123 in words is "thirty billion, one hundred thirty million, one hundred twelve thousand, one hundred twenty-three".