30001230123 has 16 divisors (see below), whose sum is σ = 40080940800. Its totient is φ = 19961212320.

The previous prime is 30001230121. The next prime is 30001230151. The reversal of 30001230123 is 32103210003.

It is not a de Polignac number, because 30001230123 - 2¹ = 30001230121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30001230121) 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, 3555073 + ... + 3563501.

It is an arithmetic number, because the mean of its divisors is an integer number (2505058800).

Almost surely, 2^30001230123 is an apocalyptic number.

30001230123 is a deficient number, since it is larger than the sum of its proper divisors (10079710677).

30001230123 is a wasteful number, since it uses less digits than its factorization.

30001230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30001230123 its reverse (32103210003), we get a palindrome (62104440126).

The spelling of 30001230123 in words is "thirty billion, one million, two hundred thirty thousand, one hundred twenty-three".