12312312023311 has 4 divisors (see below), whose sum is σ = 12847629937392. Its totient is φ = 11776994109232.

The previous prime is 12312312023257. The next prime is 12312312023411. The reversal of 12312312023311 is 11332021321321.

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 12312312023311 - 2¹³ = 12312312015119 is a prime.

It is a super-2 number, since 2×12312312023311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312312023411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267658957006 + ... + 267658957051.

It is an arithmetic number, because the mean of its divisors is an integer number (3211907484348).

Almost surely, 2^{12312312023311} is an apocalyptic number.

12312312023311 is a deficient number, since it is larger than the sum of its proper divisors (535317914081).

12312312023311 is an equidigital number, since it uses as much as digits as its factorization.

12312312023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535317914080.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12312312023311 its reverse (11332021321321), we get a palindrome (23644333344632).

The spelling of 12312312023311 in words is "twelve trillion, three hundred twelve billion, three hundred twelve million, twenty-three thousand, three hundred eleven".