1401866363323 has 2 divisors, whose sum is σ = 1401866363324. Its totient is φ = 1401866363322.

The previous prime is 1401866363311. The next prime is 1401866363329. The reversal of 1401866363323 is 3233636681041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401866363323 - 2¹⁷ = 1401866232251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401866363329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700933181661 + 700933181662.

It is an arithmetic number, because the mean of its divisors is an integer number (700933181662).

Almost surely, 2^{1401866363323} is an apocalyptic number.

1401866363323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401866363323 is an equidigital number, since it uses as much as digits as its factorization.

1401866363323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 1401866363323 in words is "one trillion, four hundred one billion, eight hundred sixty-six million, three hundred sixty-three thousand, three hundred twenty-three".