20023002313187 has 2 divisors, whose sum is σ = 20023002313188. Its totient is φ = 20023002313186.

The previous prime is 20023002313159. The next prime is 20023002313219. The reversal of 20023002313187 is 78131320032002.

It is an a-pointer prime, because the next prime (20023002313219) can be obtained adding 20023002313187 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023002313187 - 2¹⁰ = 20023002312163 is a prime.

It is not a weakly prime, because it can be changed into another prime (20023002313487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011501156593 + 10011501156594.

It is an arithmetic number, because the mean of its divisors is an integer number (10011501156594).

Almost surely, 2^{20023002313187} is an apocalyptic number.

20023002313187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023002313187 is an equidigital number, since it uses as much as digits as its factorization.

20023002313187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 20023002313187 its reverse (78131320032002), we get a palindrome (98154322345189).

The spelling of 20023002313187 in words is "twenty trillion, twenty-three billion, two million, three hundred thirteen thousand, one hundred eighty-seven".