20301112123103 has 4 divisors (see below), whose sum is σ = 23201270997840. Its totient is φ = 17400953248368.

The previous prime is 20301112123051. The next prime is 20301112123111. The reversal of 20301112123103 is 30132121110302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20301112123103 - 2²⁰ = 20301111074527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301112123183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450079437358 + ... + 1450079437371.

It is an arithmetic number, because the mean of its divisors is an integer number (5800317749460).

Almost surely, 2^{20301112123103} is an apocalyptic number.

20301112123103 is a deficient number, since it is larger than the sum of its proper divisors (2900158874737).

20301112123103 is an equidigital number, since it uses as much as digits as its factorization.

20301112123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900158874736.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20301112123103 its reverse (30132121110302), we get a palindrome (50433233233405).

The spelling of 20301112123103 in words is "twenty trillion, three hundred one billion, one hundred twelve million, one hundred twenty-three thousand, one hundred three".