12323230202 has 4 divisors (see below), whose sum is σ = 18484845306. Its totient is φ = 6161615100.

The previous prime is 12323230177. The next prime is 12323230219. The reversal of 12323230202 is 20203232321.

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., 8712542281 + 3610687921 = 93341^2 + 60089^2 .

It is a super-2 number, since 2×12323230202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080807549 + ... + 3080807552.

Almost surely, 2^12323230202 is an apocalyptic number.

12323230202 is a deficient number, since it is larger than the sum of its proper divisors (6161615104).

12323230202 is an equidigital number, since it uses as much as digits as its factorization.

12323230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161615103.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12323230202 its reverse (20203232321), we get a palindrome (32526462523).

The spelling of 12323230202 in words is "twelve billion, three hundred twenty-three million, two hundred thirty thousand, two hundred two".