803385523823 has 2 divisors, whose sum is σ = 803385523824. Its totient is φ = 803385523822.

The previous prime is 803385523789. The next prime is 803385523849. The reversal of 803385523823 is 328325583308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 803385523823 - 2¹⁰ = 803385522799 is a prime.

It is a super-2 number, since 2×803385523823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803385523873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401692761911 + 401692761912.

It is an arithmetic number, because the mean of its divisors is an integer number (401692761912).

Almost surely, 2^803385523823 is an apocalyptic number.

803385523823 is a deficient number, since it is larger than the sum of its proper divisors (1).

803385523823 is an equidigital number, since it uses as much as digits as its factorization.

803385523823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 803385523823 in words is "eight hundred three billion, three hundred eighty-five million, five hundred twenty-three thousand, eight hundred twenty-three".