102340237 has 2 divisors, whose sum is σ = 102340238. Its totient is φ = 102340236.

The previous prime is 102340211. The next prime is 102340247. The reversal of 102340237 is 732043201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55636681 + 46703556 = 7459^2 + 6834^2 .

It is a cyclic number.

It is not a de Polignac number, because 102340237 - 2⁷ = 102340109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102340247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51170118 + 51170119.

It is an arithmetic number, because the mean of its divisors is an integer number (51170119).

Almost surely, 2^102340237 is an apocalyptic number.

It is an amenable number.

102340237 is a deficient number, since it is larger than the sum of its proper divisors (1).

102340237 is an equidigital number, since it uses as much as digits as its factorization.

102340237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 102340237 is about 10116.3351565673. The cubic root of 102340237 is about 467.7518057814.

Adding to 102340237 its reverse (732043201), we get a palindrome (834383438).

The spelling of 102340237 in words is "one hundred two million, three hundred forty thousand, two hundred thirty-seven".