163423049 has 2 divisors, whose sum is σ = 163423050. Its totient is φ = 163423048.

The previous prime is 163423021. The next prime is 163423063. The reversal of 163423049 is 940324361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149621824 + 13801225 = 12232^2 + 3715^2 .

It is a cyclic number.

It is not a de Polignac number, because 163423049 - 2²⁴ = 146645833 is a prime.

It is not a weakly prime, because it can be changed into another prime (163423019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81711524 + 81711525.

It is an arithmetic number, because the mean of its divisors is an integer number (81711525).

Almost surely, 2^163423049 is an apocalyptic number.

It is an amenable number.

163423049 is a deficient number, since it is larger than the sum of its proper divisors (1).

163423049 is an equidigital number, since it uses as much as digits as its factorization.

163423049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 163423049 is about 12783.7024761999. The cubic root of 163423049 is about 546.7277314214.

It can be divided in two parts, 16342 and 3049, that added together give a palindrome (19391).

The spelling of 163423049 in words is "one hundred sixty-three million, four hundred twenty-three thousand, forty-nine".