20000233123187 has 2 divisors, whose sum is σ = 20000233123188. Its totient is φ = 20000233123186.

The previous prime is 20000233123151. The next prime is 20000233123219. The reversal of 20000233123187 is 78132133200002.

It is an a-pointer prime, because the next prime (20000233123219) can be obtained adding 20000233123187 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20000233123187 - 2¹⁴ = 20000233106803 is a prime.

It is not a weakly prime, because it can be changed into another prime (20500233123187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000116561593 + 10000116561594.

It is an arithmetic number, because the mean of its divisors is an integer number (10000116561594).

Almost surely, 2^{20000233123187} is an apocalyptic number.

20000233123187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000233123187 is an equidigital number, since it uses as much as digits as its factorization.

20000233123187 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 20000233123187 its reverse (78132133200002), we get a palindrome (98132366323189).

The spelling of 20000233123187 in words is "twenty trillion, two hundred thirty-three million, one hundred twenty-three thousand, one hundred eighty-seven".