20302123202303 has 8 divisors (see below), whose sum is σ = 20511520296960. Its totient is φ = 20092728084480.

The previous prime is 20302123202267. The next prime is 20302123202341. The reversal of 20302123202303 is 30320232120302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302123202303 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 (20302123201303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29473538 + ... + 30154496.

It is an arithmetic number, because the mean of its divisors is an integer number (2563940037120).

Almost surely, 2^{20302123202303} is an apocalyptic number.

20302123202303 is a deficient number, since it is larger than the sum of its proper divisors (209397094657).

20302123202303 is an equidigital number, since it uses as much as digits as its factorization.

20302123202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988417.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20302123202303 its reverse (30320232120302), we get a palindrome (50622355322605).

The spelling of 20302123202303 in words is "twenty trillion, three hundred two billion, one hundred twenty-three million, two hundred two thousand, three hundred three".