163203422143 has 8 divisors (see below), whose sum is σ = 172505915120. Its totient is φ = 153972213120.

The previous prime is 163203422113. The next prime is 163203422197. The reversal of 163203422143 is 341224302361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163203422143 - 2⁹ = 163203421631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163203422113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17816280 + ... + 17825437.

It is an arithmetic number, because the mean of its divisors is an integer number (21563239390).

Almost surely, 2^163203422143 is an apocalyptic number.

163203422143 is a deficient number, since it is larger than the sum of its proper divisors (9302492977).

163203422143 is a wasteful number, since it uses less digits than its factorization.

163203422143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35641977.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 163203422143 in words is "one hundred sixty-three billion, two hundred three million, four hundred twenty-two thousand, one hundred forty-three".