20423014442303 has 8 divisors (see below), whose sum is σ = 22442277318480. Its totient is φ = 18430855766080.

The previous prime is 20423014442273. The next prime is 20423014442321. The reversal of 20423014442303 is 30324441032402.

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 20423014442303 - 2¹⁸ = 20423014180159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20423014442303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423014442323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776048408 + ... + 6776051421.

It is an arithmetic number, because the mean of its divisors is an integer number (2805284664810).

Almost surely, 2^{20423014442303} is an apocalyptic number.

20423014442303 is a deficient number, since it is larger than the sum of its proper divisors (2019262876177).

20423014442303 is a wasteful number, since it uses less digits than its factorization.

20423014442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13552099977.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20423014442303 its reverse (30324441032402), we get a palindrome (50747455474705).

The spelling of 20423014442303 in words is "twenty trillion, four hundred twenty-three billion, fourteen million, four hundred forty-two thousand, three hundred three".