1231323012333 has 24 divisors (see below), whose sum is σ = 1817101353080. Its totient is φ = 803241308160.

The previous prime is 1231323012319. The next prime is 1231323012373. The reversal of 1231323012333 is 3332103231321.

1231323012333 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 323 + 0 + 1 + 2 + 333 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 153791818569 + 1077531193764 = 392163^2 + 1038042^2 .

It is not a de Polignac number, because 1231323012333 - 2¹³ = 1231323004141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231323012297 and 1231323012306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231323012373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5704528 + ... + 5916441.

Almost surely, 2^{1231323012333} is an apocalyptic number.

It is an amenable number.

1231323012333 is a deficient number, since it is larger than the sum of its proper divisors (585778340747).

1231323012333 is a wasteful number, since it uses less digits than its factorization.

1231323012333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621229 (or 11621226 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1231323012333 its reverse (3332103231321), we get a palindrome (4563426243654).

The spelling of 1231323012333 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-three million, twelve thousand, three hundred thirty-three".