163543031223323 has 16 divisors (see below), whose sum is σ = 167187825294336. Its totient is φ = 159931758279840.

The previous prime is 163543031223227. The next prime is 163543031223331. The reversal of 163543031223323 is 323322130345361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163543031223323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163543031223343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2063615 + ... + 18202872.

It is an arithmetic number, because the mean of its divisors is an integer number (10449239080896).

Almost surely, 2^{163543031223323} is an apocalyptic number.

163543031223323 is a deficient number, since it is larger than the sum of its proper divisors (3644794071013).

163543031223323 is a wasteful number, since it uses less digits than its factorization.

163543031223323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267314.

The product of its (nonzero) digits is 699840, while the sum is 41.

Adding to 163543031223323 its reverse (323322130345361), we get a palindrome (486865161568684).

The spelling of 163543031223323 in words is "one hundred sixty-three trillion, five hundred forty-three billion, thirty-one million, two hundred twenty-three thousand, three hundred twenty-three".