163234433 has 4 divisors (see below), whose sum is σ = 163270980. Its totient is φ = 163197888.

The previous prime is 163234403. The next prime is 163234447. The reversal of 163234433 is 334432361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158180929 + 5053504 = 12577^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 163234433 - 2¹⁰ = 163233409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163234396 and 163234405.

It is not an unprimeable number, because it can be changed into a prime (163234403) 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, 10460 + ... + 20877.

It is an arithmetic number, because the mean of its divisors is an integer number (40817745).

Almost surely, 2^163234433 is an apocalyptic number.

It is an amenable number.

163234433 is a deficient number, since it is larger than the sum of its proper divisors (36547).

163234433 is an equidigital number, since it uses as much as digits as its factorization.

163234433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36546.

The product of its digits is 15552, while the sum is 29.

The square root of 163234433 is about 12776.3231408727. The cubic root of 163234433 is about 546.5173137421.

Adding to 163234433 its reverse (334432361), we get a palindrome (497666794).

The spelling of 163234433 in words is "one hundred sixty-three million, two hundred thirty-four thousand, four hundred thirty-three".