240310122290263 has 2 divisors, whose sum is σ = 240310122290264. Its totient is φ = 240310122290262.

The previous prime is 240310122290261. The next prime is 240310122290291. The reversal of 240310122290263 is 362092221013042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240310122290263 - 2¹ = 240310122290261 is a prime.

It is a super-2 number, since 2×240310122290263² (a number of 30 digits) contains 22 as substring.

Together with 240310122290261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240310122290261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120155061145131 + 120155061145132.

It is an arithmetic number, because the mean of its divisors is an integer number (120155061145132).

Almost surely, 2^{240310122290263} is an apocalyptic number.

240310122290263 is a deficient number, since it is larger than the sum of its proper divisors (1).

240310122290263 is an equidigital number, since it uses as much as digits as its factorization.

240310122290263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 240310122290263 in words is "two hundred forty trillion, three hundred ten billion, one hundred twenty-two million, two hundred ninety thousand, two hundred sixty-three".