1023366656303 has 2 divisors, whose sum is σ = 1023366656304. Its totient is φ = 1023366656302.

The previous prime is 1023366656293. The next prime is 1023366656317. The reversal of 1023366656303 is 3036566633201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023366656303 - 2¹² = 1023366652207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073366656303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511683328151 + 511683328152.

It is an arithmetic number, because the mean of its divisors is an integer number (511683328152).

Almost surely, 2^{1023366656303} is an apocalyptic number.

1023366656303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023366656303 is an equidigital number, since it uses as much as digits as its factorization.

1023366656303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 44.

The spelling of 1023366656303 in words is "one trillion, twenty-three billion, three hundred sixty-six million, six hundred fifty-six thousand, three hundred three".