234530123 has 4 divisors (see below), whose sum is σ = 234673320. Its totient is φ = 234386928.

The previous prime is 234530117. The next prime is 234530137. The reversal of 234530123 is 321035432.

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

It is a cyclic number.

It is not a de Polignac number, because 234530123 - 2⁶ = 234530059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234530143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69113 + ... + 72426.

It is an arithmetic number, because the mean of its divisors is an integer number (58668330).

Almost surely, 2^234530123 is an apocalyptic number.

234530123 is a deficient number, since it is larger than the sum of its proper divisors (143197).

234530123 is a wasteful number, since it uses less digits than its factorization.

234530123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143196.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 234530123 is about 15314.3763503448. The cubic root of 234530123 is about 616.6890121275.

Adding to 234530123 its reverse (321035432), we get a palindrome (555565555).

The spelling of 234530123 in words is "two hundred thirty-four million, five hundred thirty thousand, one hundred twenty-three".