12323522 has 4 divisors (see below), whose sum is σ = 18485286. Its totient is φ = 6161760.

The previous prime is 12323513. The next prime is 12323537. The reversal of 12323522 is 22532321.

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

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 5764801 = 2561^2 + 2401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12323494 and 12323503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080879 + ... + 3080882.

Almost surely, 2^12323522 is an apocalyptic number.

12323522 is a deficient number, since it is larger than the sum of its proper divisors (6161764).

12323522 is an equidigital number, since it uses as much as digits as its factorization.

12323522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161763.

The product of its digits is 720, while the sum is 20.

The square root of 12323522 is about 3510.4874305429. The cubic root of 12323522 is about 230.9820766564.

Adding to 12323522 its reverse (22532321), we get a palindrome (34855843).

The spelling of 12323522 in words is "twelve million, three hundred twenty-three thousand, five hundred twenty-two".