163500423 has 8 divisors (see below), whose sum is σ = 218457600. Its totient is φ = 108771768.

The previous prime is 163500419. The next prime is 163500431. The reversal of 163500423 is 324005361.

It is a happy number.

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

It is not a de Polignac number, because 163500423 - 2² = 163500419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163500393 and 163500402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163500473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55453 + ... + 58326.

It is an arithmetic number, because the mean of its divisors is an integer number (27307200).

Almost surely, 2^163500423 is an apocalyptic number.

163500423 is a deficient number, since it is larger than the sum of its proper divisors (54957177).

163500423 is a wasteful number, since it uses less digits than its factorization.

163500423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114261.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 163500423 is about 12786.7283931426. The cubic root of 163500423 is about 546.8140020695.

Adding to 163500423 its reverse (324005361), we get a palindrome (487505784).

The spelling of 163500423 in words is "one hundred sixty-three million, five hundred thousand, four hundred twenty-three".