12232403 has 4 divisors (see below), whose sum is σ = 12654240. Its totient is φ = 11810568.

The previous prime is 12232397. The next prime is 12232421. The reversal of 12232403 is 30423221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232433) 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, 210875 + ... + 210932.

It is an arithmetic number, because the mean of its divisors is an integer number (3163560).

Almost surely, 2^12232403 is an apocalyptic number.

12232403 is a deficient number, since it is larger than the sum of its proper divisors (421837).

12232403 is an equidigital number, since it uses as much as digits as its factorization.

12232403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421836.

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

The square root of 12232403 is about 3497.4852394256. The cubic root of 12232403 is about 230.4113809623.

Adding to 12232403 its reverse (30423221), we get a palindrome (42655624).

The spelling of 12232403 in words is "twelve million, two hundred thirty-two thousand, four hundred three".