30123113430 has 16 divisors (see below), whose sum is σ = 72295472304. Its totient is φ = 8032830240.

The previous prime is 30123113411. The next prime is 30123113441. The reversal of 30123113430 is 3431132103.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30123113397 and 30123113406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502051861 + ... + 502051920.

It is an arithmetic number, because the mean of its divisors is an integer number (4518467019).

Almost surely, 2^30123113430 is an apocalyptic number.

30123113430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30123113430 is an abundant number, since it is smaller than the sum of its proper divisors (42172358874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30123113430 is a wasteful number, since it uses less digits than its factorization.

30123113430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004103791.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30123113430 its reverse (3431132103), we get a palindrome (33554245533).

The spelling of 30123113430 in words is "thirty billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred thirty".