1023305023243 has 2 divisors, whose sum is σ = 1023305023244. Its totient is φ = 1023305023242.

The previous prime is 1023305023231. The next prime is 1023305023313. The reversal of 1023305023243 is 3423205033201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023305023243 - 2²⁵ = 1023271468811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023305093243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511652511621 + 511652511622.

It is an arithmetic number, because the mean of its divisors is an integer number (511652511622).

Almost surely, 2^{1023305023243} is an apocalyptic number.

1023305023243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023305023243 is an equidigital number, since it uses as much as digits as its factorization.

1023305023243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The spelling of 1023305023243 in words is "one trillion, twenty-three billion, three hundred five million, twenty-three thousand, two hundred forty-three".