20023463167603 has 4 divisors (see below), whose sum is σ = 22883957905840. Its totient is φ = 17162968429368.

The previous prime is 20023463167601. The next prime is 20023463167621. The reversal of 20023463167603 is 30676136432002.

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 20023463167603 - 2¹ = 20023463167601 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 20023463167603.

It is not an unprimeable number, because it can be changed into a prime (20023463167601) 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, 1430247369108 + ... + 1430247369121.

It is an arithmetic number, because the mean of its divisors is an integer number (5720989476460).

Almost surely, 2^{20023463167603} is an apocalyptic number.

20023463167603 is a deficient number, since it is larger than the sum of its proper divisors (2860494738237).

20023463167603 is an equidigital number, since it uses as much as digits as its factorization.

20023463167603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860494738236.

The product of its (nonzero) digits is 653184, while the sum is 43.

Adding to 20023463167603 its reverse (30676136432002), we get a palindrome (50699599599605).

The spelling of 20023463167603 in words is "twenty trillion, twenty-three billion, four hundred sixty-three million, one hundred sixty-seven thousand, six hundred three".