163823409203 has 2 divisors, whose sum is σ = 163823409204. Its totient is φ = 163823409202.

The previous prime is 163823409163. The next prime is 163823409241. The reversal of 163823409203 is 302904328361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163823409203 - 2¹² = 163823405107 is a prime.

It is not a weakly prime, because it can be changed into another prime (163823409403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81911704601 + 81911704602.

It is an arithmetic number, because the mean of its divisors is an integer number (81911704602).

Almost surely, 2^163823409203 is an apocalyptic number.

163823409203 is a deficient number, since it is larger than the sum of its proper divisors (1).

163823409203 is an equidigital number, since it uses as much as digits as its factorization.

163823409203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 163823409203 in words is "one hundred sixty-three billion, eight hundred twenty-three million, four hundred nine thousand, two hundred three".