300020134123 has 16 divisors (see below), whose sum is σ = 310672227456. Its totient is φ = 289547758080.

The previous prime is 300020134093. The next prime is 300020134151. The reversal of 300020134123 is 321431020003.

It is a cyclic number.

It is not a de Polignac number, because 300020134123 - 2²⁵ = 299986579691 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 300020134123.

It is not an unprimeable number, because it can be changed into a prime (300020164123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21858903 + ... + 21872623.

It is an arithmetic number, because the mean of its divisors is an integer number (19417014216).

Almost surely, 2^300020134123 is an apocalyptic number.

300020134123 is a deficient number, since it is larger than the sum of its proper divisors (10652093333).

300020134123 is a wasteful number, since it uses less digits than its factorization.

300020134123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20214.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 300020134123 its reverse (321431020003), we get a palindrome (621451154126).

The spelling of 300020134123 in words is "three hundred billion, twenty million, one hundred thirty-four thousand, one hundred twenty-three".