12353623 has 4 divisors (see below), whose sum is σ = 12779640. Its totient is φ = 11927608.

The previous prime is 12353617. The next prime is 12353633. The reversal of 12353623 is 32635321.

It is a happy number.

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-12353623 is a prime.

It is a super-3 number, since 3×12353623³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12353633) by changing a digit.

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, 212965 + ... + 213022.

It is an arithmetic number, because the mean of its divisors is an integer number (3194910).

Almost surely, 2^12353623 is an apocalyptic number.

12353623 is a deficient number, since it is larger than the sum of its proper divisors (426017).

12353623 is an equidigital number, since it uses as much as digits as its factorization.

12353623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426016.

The product of its digits is 3240, while the sum is 25.

The square root of 12353623 is about 3514.7721121006. The cubic root of 12353623 is about 231.1699866353.

Adding to 12353623 its reverse (32635321), we get a palindrome (44988944).

The spelling of 12353623 in words is "twelve million, three hundred fifty-three thousand, six hundred twenty-three".