12423230 has 16 divisors (see below), whose sum is σ = 22438080. Its totient is φ = 4952352.

The previous prime is 12423211. The next prime is 12423233. The reversal of 12423230 is 3232421.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12423199 and 12423208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (1402380).

Almost surely, 2^12423230 is an apocalyptic number.

12423230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12423230 is a deficient number, since it is larger than the sum of its proper divisors (10014850).

12423230 is a wasteful number, since it uses less digits than its factorization.

12423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12423230 is about 3524.6602673166. The cubic root of 12423230 is about 231.6033526639.

Adding to 12423230 its reverse (3232421), we get a palindrome (15655651).

The spelling of 12423230 in words is "twelve million, four hundred twenty-three thousand, two hundred thirty".