20123303 has 8 divisors (see below), whose sum is σ = 20980080. Its totient is φ = 19277440.

The previous prime is 20123293. The next prime is 20123339. The reversal of 20123303 is 30332102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20123303 - 2⁴ = 20123287 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 (20923303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151 + ... + 6447.

It is an arithmetic number, because the mean of its divisors is an integer number (2622510).

Almost surely, 2^20123303 is an apocalyptic number.

20123303 is a deficient number, since it is larger than the sum of its proper divisors (856777).

20123303 is a wasteful number, since it uses less digits than its factorization.

20123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 20123303 is about 4485.9004670189. The cubic root of 20123303 is about 271.9984456010.

Adding to 20123303 its reverse (30332102), we get a palindrome (50455405).

The spelling of 20123303 in words is "twenty million, one hundred twenty-three thousand, three hundred three".