1346642385623 has 2 divisors, whose sum is σ = 1346642385624. Its totient is φ = 1346642385622.

The previous prime is 1346642385521. The next prime is 1346642385629. The reversal of 1346642385623 is 3265832466431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1346642385623 - 2²⁸ = 1346373950167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346642385629) 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, 673321192811 + 673321192812.

It is an arithmetic number, because the mean of its divisors is an integer number (673321192812).

Almost surely, 2^{1346642385623} is an apocalyptic number.

1346642385623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346642385623 is an equidigital number, since it uses as much as digits as its factorization.

1346642385623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 53.

The spelling of 1346642385623 in words is "one trillion, three hundred forty-six billion, six hundred forty-two million, three hundred eighty-five thousand, six hundred twenty-three".