163432423 has 8 divisors (see below), whose sum is σ = 203760000. Its totient is φ = 127349880.

The previous prime is 163432421. The next prime is 163432427. The reversal of 163432423 is 324234361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163432423 - 2¹ = 163432421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163432391 and 163432400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163432421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061173 + ... + 1061326.

It is an arithmetic number, because the mean of its divisors is an integer number (25470000).

Almost surely, 2^163432423 is an apocalyptic number.

163432423 is a deficient number, since it is larger than the sum of its proper divisors (40327577).

163432423 is a wasteful number, since it uses less digits than its factorization.

163432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122517.

The product of its digits is 10368, while the sum is 28.

The square root of 163432423 is about 12784.0691096380. The cubic root of 163432423 is about 546.7381847158.

Adding to 163432423 its reverse (324234361), we get a palindrome (487666784).

The spelling of 163432423 in words is "one hundred sixty-three million, four hundred thirty-two thousand, four hundred twenty-three".