2312340287 has 2 divisors, whose sum is σ = 2312340288. Its totient is φ = 2312340286.

The previous prime is 2312340227. The next prime is 2312340307. The reversal of 2312340287 is 7820432132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2312340287 - 2¹⁶ = 2312274751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312340227) 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, 1156170143 + 1156170144.

It is an arithmetic number, because the mean of its divisors is an integer number (1156170144).

Almost surely, 2^2312340287 is an apocalyptic number.

2312340287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312340287 is an equidigital number, since it uses as much as digits as its factorization.

2312340287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2312340287 is about 48086.7995088049. The cubic root of 2312340287 is about 1322.3626737433.

The spelling of 2312340287 in words is "two billion, three hundred twelve million, three hundred forty thousand, two hundred eighty-seven".