12343432 has 16 divisors (see below), whose sum is σ = 23215500. Its totient is φ = 6152640.

The previous prime is 12343423. The next prime is 12343439. The reversal of 12343432 is 23434321.

It is a happy number.

12343432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 1094116 = 3354^2 + 1046^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12343439) 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, 582 + ... + 5002.

Almost surely, 2^12343432 is an apocalyptic number.

It is an amenable number.

12343432 is a deficient number, since it is larger than the sum of its proper divisors (10872068).

12343432 is a wasteful number, since it uses less digits than its factorization.

12343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776 (or 4772 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 12343432 is about 3513.3220746183. The cubic root of 12343432 is about 231.1064020107.

Adding to 12343432 its reverse (23434321), we get a palindrome (35777753).

The spelling of 12343432 in words is "twelve million, three hundred forty-three thousand, four hundred thirty-two".