12333431345 has 8 divisors (see below), whose sum is σ = 14806255464. Its totient is φ = 9862653184.

The previous prime is 12333431323. The next prime is 12333431387. The reversal of 12333431345 is 54313433321.

12333431345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6597338176 + 5736093169 = 81224^2 + 75737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12333431345 is a prime.

It is a super-2 number, since 2×12333431345² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498194 + ... + 522363.

It is an arithmetic number, because the mean of its divisors is an integer number (1850781933).

Almost surely, 2^12333431345 is an apocalyptic number.

It is an amenable number.

12333431345 is a deficient number, since it is larger than the sum of its proper divisors (2472824119).

12333431345 is a wasteful number, since it uses less digits than its factorization.

12333431345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022979.

The product of its digits is 38880, while the sum is 32.

Adding to 12333431345 its reverse (54313433321), we get a palindrome (66646864666).

The spelling of 12333431345 in words is "twelve billion, three hundred thirty-three million, four hundred thirty-one thousand, three hundred forty-five".