20023307540983 has 2 divisors, whose sum is σ = 20023307540984. Its totient is φ = 20023307540982.

The previous prime is 20023307540933. The next prime is 20023307541047. The reversal of 20023307540983 is 38904570332002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023307540983 - 2²¹ = 20023305443831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023307540903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011653770491 + 10011653770492.

It is an arithmetic number, because the mean of its divisors is an integer number (10011653770492).

Almost surely, 2^{20023307540983} is an apocalyptic number.

20023307540983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023307540983 is an equidigital number, since it uses as much as digits as its factorization.

20023307540983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

Adding to 20023307540983 its reverse (38904570332002), we get a palindrome (58927877872985).

The spelling of 20023307540983 in words is "twenty trillion, twenty-three billion, three hundred seven million, five hundred forty thousand, nine hundred eighty-three".