163434123 has 12 divisors (see below), whose sum is σ = 237260400. Its totient is φ = 108407376.

The previous prime is 163434121. The next prime is 163434127. The reversal of 163434123 is 321434361.

163434123 is a `hidden beast` number, since 1 + 634 + 3 + 4 + 1 + 23 = 666.

It is not a de Polignac number, because 163434123 - 2¹ = 163434121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (163434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43836 + ... + 47417.

It is an arithmetic number, because the mean of its divisors is an integer number (19771700).

Almost surely, 2^163434123 is an apocalyptic number.

163434123 is a deficient number, since it is larger than the sum of its proper divisors (73826277).

163434123 is a wasteful number, since it uses less digits than its factorization.

163434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91458 (or 91455 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 163434123 is about 12784.1355984673. The cubic root of 163434123 is about 546.7400804060.

Adding to 163434123 its reverse (321434361), we get a palindrome (484868484).

The spelling of 163434123 in words is "one hundred sixty-three million, four hundred thirty-four thousand, one hundred twenty-three".