210123002317 has 2 divisors, whose sum is σ = 210123002318. Its totient is φ = 210123002316.

The previous prime is 210123002303. The next prime is 210123002371. The reversal of 210123002317 is 713200321012.

It is a happy number.

210123002317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (210123002371) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177703559401 + 32419442916 = 421549^2 + 180054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210123002317 is a prime.

It is a super-2 number, since 2×210123002317² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210123002017) 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 as a sum of consecutive naturals, namely, 105061501158 + 105061501159.

It is an arithmetic number, because the mean of its divisors is an integer number (105061501159).

Almost surely, 2^210123002317 is an apocalyptic number.

It is an amenable number.

210123002317 is a deficient number, since it is larger than the sum of its proper divisors (1).

210123002317 is an equidigital number, since it uses as much as digits as its factorization.

210123002317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 210123002317 its reverse (713200321012), we get a palindrome (923323323329).

The spelling of 210123002317 in words is "two hundred ten billion, one hundred twenty-three million, two thousand, three hundred seventeen".