12301323243 has 32 divisors (see below), whose sum is σ = 18701660160. Its totient is φ = 7119409440.

The previous prime is 12301323149. The next prime is 12301323253. The reversal of 12301323243 is 34232310321.

It is not a de Polignac number, because 12301323243 - 2⁸ = 12301322987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12301323253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456730 + ... + 482912.

It is an arithmetic number, because the mean of its divisors is an integer number (584426880).

Almost surely, 2^12301323243 is an apocalyptic number.

12301323243 is a deficient number, since it is larger than the sum of its proper divisors (6400336917).

12301323243 is a wasteful number, since it uses less digits than its factorization.

12301323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26839.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12301323243 its reverse (34232310321), we get a palindrome (46533633564).

The spelling of 12301323243 in words is "twelve billion, three hundred one million, three hundred twenty-three thousand, two hundred forty-three".