12423232 has 14 divisors (see below), whose sum is σ = 24652478.
Its totient is φ = 6211584.
The previous prime is 12423211. The next prime is 12423233. The reversal of 12423232 is 23232421.
It can be written as a sum of positive squares in only one way, i.e., 9096256 + 3326976 = 3016^2 + 1824^2
It is not an unprimeable number, because it can be changed into a prime (12423233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96993 + ... + 97120.
Almost surely, 212423232 is an apocalyptic number.
It is an amenable number.
12423232 is a deficient number, since it is larger than the sum of its proper divisors (12229246).
12423232 is an equidigital number, since it uses as much as digits as its factorization.
12423232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194125 (or 194115 counting only the distinct ones).
The product of its digits is 576, while the sum is 19.
The square root of 12423232 is about 3524.6605510318.
The cubic root of 12423232 is about 231.6033650924.
Adding to 12423232 its reverse (23232421), we get a palindrome (35655653).
The spelling of 12423232 in words is "twelve million, four hundred twenty-three thousand, two hundred thirty-two".