20312023124003 has 4 divisors (see below), whose sum is σ = 21874486441248. Its totient is φ = 18749559806760.

The previous prime is 20312023123981. The next prime is 20312023124021. The reversal of 20312023124003 is 30042132021302.

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 20312023124003 - 2⁶ = 20312023123939 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 20312023124003.

It is not an unprimeable number, because it can be changed into a prime (20312023124083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781231658603 + ... + 781231658628.

It is an arithmetic number, because the mean of its divisors is an integer number (5468621610312).

Almost surely, 2^{20312023124003} is an apocalyptic number.

20312023124003 is a deficient number, since it is larger than the sum of its proper divisors (1562463317245).

20312023124003 is a wasteful number, since it uses less digits than its factorization.

20312023124003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562463317244.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20312023124003 its reverse (30042132021302), we get a palindrome (50354155145305).

The spelling of 20312023124003 in words is "twenty trillion, three hundred twelve billion, twenty-three million, one hundred twenty-four thousand, three".