163234123 has 4 divisors (see below), whose sum is σ = 175790608. Its totient is φ = 150677640.

The previous prime is 163234103. The next prime is 163234133. The reversal of 163234123 is 321432361.

163234123 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163234123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163234103) 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, 6278223 + ... + 6278248.

It is an arithmetic number, because the mean of its divisors is an integer number (43947652).

Almost surely, 2^163234123 is an apocalyptic number.

163234123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163234123 is a deficient number, since it is larger than the sum of its proper divisors (12556485).

163234123 is a wasteful number, since it uses less digits than its factorization.

163234123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556484.

The product of its digits is 2592, while the sum is 25.

The square root of 163234123 is about 12776.3110090511. The cubic root of 163234123 is about 546.5169677766.

Adding to 163234123 its reverse (321432361), we get a palindrome (484666484).

The spelling of 163234123 in words is "one hundred sixty-three million, two hundred thirty-four thousand, one hundred twenty-three".