163423541 has 8 divisors (see below), whose sum is σ = 172236480. Its totient is φ = 154631808.

The previous prime is 163423531. The next prime is 163423549. The reversal of 163423541 is 145324361.

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

It is a cyclic number.

It is not a de Polignac number, because 163423541 - 2²⁶ = 96314677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163423549) 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, 12005 + ... + 21701.

It is an arithmetic number, because the mean of its divisors is an integer number (21529560).

Almost surely, 2^163423541 is an apocalyptic number.

It is an amenable number.

163423541 is a deficient number, since it is larger than the sum of its proper divisors (8812939).

163423541 is an equidigital number, since it uses as much as digits as its factorization.

163423541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603.

The product of its digits is 8640, while the sum is 29.

The square root of 163423541 is about 12783.7217194368. The cubic root of 163423541 is about 546.7282800787.

The spelling of 163423541 in words is "one hundred sixty-three million, four hundred twenty-three thousand, five hundred forty-one".