12423436 has 12 divisors (see below), whose sum is σ = 22442560. Its totient is φ = 6011280.

The previous prime is 12423409. The next prime is 12423457. The reversal of 12423436 is 63432421.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12423436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49971 + ... + 50218.

Almost surely, 2^12423436 is an apocalyptic number.

It is an amenable number.

12423436 is a deficient number, since it is larger than the sum of its proper divisors (10019124).

12423436 is a wasteful number, since it uses less digits than its factorization.

12423436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100224 (or 100222 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 12423436 is about 3524.6894898700. The cubic root of 12423436 is about 231.6046327933.

Adding to 12423436 its reverse (63432421), we get a palindrome (75855857).

The spelling of 12423436 in words is "twelve million, four hundred twenty-three thousand, four hundred thirty-six".