163230401 has 4 divisors (see below), whose sum is σ = 163256532. Its totient is φ = 163204272.

The previous prime is 163230391. The next prime is 163230427. The reversal of 163230401 is 104032361.

163230401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 119683600 + 43546801 = 10940^2 + 6599^2 .

It is a cyclic number.

It is not a de Polignac number, because 163230401 - 2⁶ = 163230337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163230101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435 + ... + 18231.

It is an arithmetic number, because the mean of its divisors is an integer number (40814133).

Almost surely, 2^163230401 is an apocalyptic number.

It is an amenable number.

163230401 is a deficient number, since it is larger than the sum of its proper divisors (26131).

163230401 is a wasteful number, since it uses less digits than its factorization.

163230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26130.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 163230401 is about 12776.1653480221. The cubic root of 163230401 is about 546.5128139236.

Adding to 163230401 its reverse (104032361), we get a palindrome (267262762).

The spelling of 163230401 in words is "one hundred sixty-three million, two hundred thirty thousand, four hundred one".