1326873850123 has 2 divisors, whose sum is σ = 1326873850124. Its totient is φ = 1326873850122.

The previous prime is 1326873850121. The next prime is 1326873850171. The reversal of 1326873850123 is 3210583786231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1326873850123 - 2¹ = 1326873850121 is a prime.

Together with 1326873850121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1326873850121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663436925061 + 663436925062.

It is an arithmetic number, because the mean of its divisors is an integer number (663436925062).

Almost surely, 2^{1326873850123} is an apocalyptic number.

1326873850123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326873850123 is an equidigital number, since it uses as much as digits as its factorization.

1326873850123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 1326873850123 in words is "one trillion, three hundred twenty-six billion, eight hundred seventy-three million, eight hundred fifty thousand, one hundred twenty-three".