800243294627723 has 2 divisors, whose sum is σ = 800243294627724. Its totient is φ = 800243294627722.

The previous prime is 800243294627639. The next prime is 800243294627743. The reversal of 800243294627723 is 327726492342008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 800243294627723 - 2¹² = 800243294623627 is a prime.

It is not a weakly prime, because it can be changed into another prime (800243294627743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400121647313861 + 400121647313862.

It is an arithmetic number, because the mean of its divisors is an integer number (400121647313862).

Almost surely, 2^{800243294627723} is an apocalyptic number.

800243294627723 is a deficient number, since it is larger than the sum of its proper divisors (1).

800243294627723 is an equidigital number, since it uses as much as digits as its factorization.

800243294627723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 800243294627723 in words is "eight hundred trillion, two hundred forty-three billion, two hundred ninety-four million, six hundred twenty-seven thousand, seven hundred twenty-three".