1023516652673 has 2 divisors, whose sum is σ = 1023516652674. Its totient is φ = 1023516652672.

The previous prime is 1023516652573. The next prime is 1023516652757. The reversal of 1023516652673 is 3762566153201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023156526144 + 360126529 = 1011512^2 + 18977^2 .

It is an emirp because it is prime and its reverse (3762566153201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023516652673 - 2²² = 1023512458369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023516652573) 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, 511758326336 + 511758326337.

It is an arithmetic number, because the mean of its divisors is an integer number (511758326337).

Almost surely, 2^{1023516652673} is an apocalyptic number.

It is an amenable number.

1023516652673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023516652673 is an equidigital number, since it uses as much as digits as its factorization.

1023516652673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 1023516652673 in words is "one trillion, twenty-three billion, five hundred sixteen million, six hundred fifty-two thousand, six hundred seventy-three".