12320023332311 has 4 divisors (see below), whose sum is σ = 12321508217472. Its totient is φ = 12318538447152.

The previous prime is 12320023332269. The next prime is 12320023332343. The reversal of 12320023332311 is 11323332002321.

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

It is a cyclic number.

It is not a de Polignac number, because 12320023332311 - 2⁶ = 12320023332247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320023332361) 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, 742430135 + ... + 742446728.

It is an arithmetic number, because the mean of its divisors is an integer number (3080377054368).

Almost surely, 2^{12320023332311} is an apocalyptic number.

12320023332311 is a deficient number, since it is larger than the sum of its proper divisors (1484885161).

12320023332311 is an equidigital number, since it uses as much as digits as its factorization.

12320023332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484885160.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12320023332311 its reverse (11323332002321), we get a palindrome (23643355334632).

The spelling of 12320023332311 in words is "twelve trillion, three hundred twenty billion, twenty-three million, three hundred thirty-two thousand, three hundred eleven".