20303101123 has 4 divisors (see below), whose sum is σ = 20307516568. Its totient is φ = 20298685680.

The previous prime is 20303101097. The next prime is 20303101151. The reversal of 20303101123 is 32110130302.

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 20303101123 - 2⁹ = 20303100611 is a prime.

It is a super-2 number, since 2×20303101123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20303101097 and 20303101106.

It is not an unprimeable number, because it can be changed into a prime (20303101823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200818 + ... + 2210023.

It is an arithmetic number, because the mean of its divisors is an integer number (5076879142).

Almost surely, 2^20303101123 is an apocalyptic number.

20303101123 is a deficient number, since it is larger than the sum of its proper divisors (4415445).

20303101123 is an equidigital number, since it uses as much as digits as its factorization.

20303101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415444.

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

Adding to 20303101123 its reverse (32110130302), we get a palindrome (52413231425).

The spelling of 20303101123 in words is "twenty billion, three hundred three million, one hundred one thousand, one hundred twenty-three".