5991800868923 has 2 divisors, whose sum is σ = 5991800868924. Its totient is φ = 5991800868922.

The previous prime is 5991800868917. The next prime is 5991800868967. The reversal of 5991800868923 is 3298680081995.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5991800868923 - 2²⁶ = 5991733760059 is a prime.

It is not a weakly prime, because it can be changed into another prime (5991800868913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995900434461 + 2995900434462.

It is an arithmetic number, because the mean of its divisors is an integer number (2995900434462).

Almost surely, 2^{5991800868923} is an apocalyptic number.

5991800868923 is a deficient number, since it is larger than the sum of its proper divisors (1).

5991800868923 is an equidigital number, since it uses as much as digits as its factorization.

5991800868923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 68.

The spelling of 5991800868923 in words is "five trillion, nine hundred ninety-one billion, eight hundred million, eight hundred sixty-eight thousand, nine hundred twenty-three".