163204043 has 2 divisors, whose sum is σ = 163204044. Its totient is φ = 163204042.

The previous prime is 163204039. The next prime is 163204051. The reversal of 163204043 is 340402361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163204043 - 2² = 163204039 is a prime.

It is not a weakly prime, because it can be changed into another prime (163204033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81602021 + 81602022.

It is an arithmetic number, because the mean of its divisors is an integer number (81602022).

Almost surely, 2^163204043 is an apocalyptic number.

163204043 is a deficient number, since it is larger than the sum of its proper divisors (1).

163204043 is an equidigital number, since it uses as much as digits as its factorization.

163204043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 163204043 is about 12775.1337762076. The cubic root of 163204043 is about 546.4833958739.

The spelling of 163204043 in words is "one hundred sixty-three million, two hundred four thousand, forty-three".