163300243 has 2 divisors, whose sum is σ = 163300244. Its totient is φ = 163300242.

The previous prime is 163300237. The next prime is 163300273. The reversal of 163300243 is 342003361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163300243 - 2⁵ = 163300211 is a prime.

It is not a weakly prime, because it can be changed into another prime (163300223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81650121 + 81650122.

It is an arithmetic number, because the mean of its divisors is an integer number (81650122).

Almost surely, 2^163300243 is an apocalyptic number.

163300243 is a deficient number, since it is larger than the sum of its proper divisors (1).

163300243 is an equidigital number, since it uses as much as digits as its factorization.

163300243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 163300243 is about 12778.8983484493. The cubic root of 163300243 is about 546.5907489674.

The spelling of 163300243 in words is "one hundred sixty-three million, three hundred thousand, two hundred forty-three".