2312313133123 has 8 divisors (see below), whose sum is σ = 2781730085120. Its totient is φ = 1877667807240.

The previous prime is 2312313133079. The next prime is 2312313133129. The reversal of 2312313133123 is 3213313132132.

It is a happy number.

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-2312313133123 is a prime.

It is a super-2 number, since 2×2312313133123² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312313133091 and 2312313133100.

It is not an unprimeable number, because it can be changed into a prime (2312313133129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8692906383 + ... + 8692906648.

It is an arithmetic number, because the mean of its divisors is an integer number (347716260640).

Almost surely, 2^{2312313133123} is an apocalyptic number.

2312313133123 is a deficient number, since it is larger than the sum of its proper divisors (469416951997).

2312313133123 is a wasteful number, since it uses less digits than its factorization.

2312313133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385813057.

The product of its digits is 5832, while the sum is 28.

Adding to 2312313133123 its reverse (3213313132132), we get a palindrome (5525626265255).

Subtracting 2312313133123 from its reverse (3213313132132), we obtain a palindrome (900999999009).

The spelling of 2312313133123 in words is "two trillion, three hundred twelve billion, three hundred thirteen million, one hundred thirty-three thousand, one hundred twenty-three".