20301103123 has 12 divisors (see below), whose sum is σ = 23623723872. Its totient is φ = 17394936720.

The previous prime is 20301103079. The next prime is 20301103133. The reversal of 20301103123 is 32130110302.

It is a de Polignac number, because none of the positive numbers 2^k-20301103123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301103097 and 20301103106.

It is not an unprimeable number, because it can be changed into a prime (20301103133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74838 + ... + 214948.

It is an arithmetic number, because the mean of its divisors is an integer number (1968643656).

Almost surely, 2^20301103123 is an apocalyptic number.

20301103123 is a deficient number, since it is larger than the sum of its proper divisors (3322620749).

20301103123 is a wasteful number, since it uses less digits than its factorization.

20301103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143082 (or 143075 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301103123 its reverse (32130110302), we get a palindrome (52431213425).

The spelling of 20301103123 in words is "twenty billion, three hundred one million, one hundred three thousand, one hundred twenty-three".