20300102123 has 4 divisors (see below), whose sum is σ = 23200116720. Its totient is φ = 17400087528.

The previous prime is 20300102111. The next prime is 20300102129. The reversal of 20300102123 is 32120100302.

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 20300102123 - 2³⁴ = 3120232939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300102098 and 20300102107.

It is not an unprimeable number, because it can be changed into a prime (20300102129) 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, 1450007288 + ... + 1450007301.

It is an arithmetic number, because the mean of its divisors is an integer number (5800029180).

Almost surely, 2^20300102123 is an apocalyptic number.

20300102123 is a deficient number, since it is larger than the sum of its proper divisors (2900014597).

20300102123 is an equidigital number, since it uses as much as digits as its factorization.

20300102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900014596.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20300102123 its reverse (32120100302), we get a palindrome (52420202425).

The spelling of 20300102123 in words is "twenty billion, three hundred million, one hundred two thousand, one hundred twenty-three".