2123002187 has 2 divisors, whose sum is σ = 2123002188. Its totient is φ = 2123002186.

The previous prime is 2123002163. The next prime is 2123002201. The reversal of 2123002187 is 7812003212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123002187 - 2⁸ = 2123001931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061501093 + 1061501094.

It is an arithmetic number, because the mean of its divisors is an integer number (1061501094).

Almost surely, 2^2123002187 is an apocalyptic number.

2123002187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123002187 is an equidigital number, since it uses as much as digits as its factorization.

2123002187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2123002187 is about 46076.0478665434. The cubic root of 2123002187 is about 1285.2377717639.

Adding to 2123002187 its reverse (7812003212), we get a palindrome (9935005399).

The spelling of 2123002187 in words is "two billion, one hundred twenty-three million, two thousand, one hundred eighty-seven".