10240645544123 has 2 divisors, whose sum is σ = 10240645544124. Its totient is φ = 10240645544122.

The previous prime is 10240645544117. The next prime is 10240645544149. The reversal of 10240645544123 is 32144554604201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10240645544123 is a prime.

It is not a weakly prime, because it can be changed into another prime (10240645544153) 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, 5120322772061 + 5120322772062.

It is an arithmetic number, because the mean of its divisors is an integer number (5120322772062).

Almost surely, 2^{10240645544123} is an apocalyptic number.

10240645544123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240645544123 is an equidigital number, since it uses as much as digits as its factorization.

10240645544123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 10240645544123 in words is "ten trillion, two hundred forty billion, six hundred forty-five million, five hundred forty-four thousand, one hundred twenty-three".