20000300000123 has 16 divisors (see below), whose sum is σ = 20289795394176. Its totient is φ = 19712006764800.

The previous prime is 20000300000119. The next prime is 20000300000159. The reversal of 20000300000123 is 32100000300002.

It is a cyclic number.

It is not a de Polignac number, because 20000300000123 - 2² = 20000300000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000300000623) 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, 70552715 + ... + 70835627.

It is an arithmetic number, because the mean of its divisors is an integer number (1268112212136).

Almost surely, 2^{20000300000123} is an apocalyptic number.

20000300000123 is a deficient number, since it is larger than the sum of its proper divisors (289495394053).

20000300000123 is a wasteful number, since it uses less digits than its factorization.

20000300000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285034.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20000300000123 its reverse (32100000300002), we get a palindrome (52100300300125).

The spelling of 20000300000123 in words is "twenty trillion, three hundred million, one hundred twenty-three", and thus it is an aban number.