2312123323133 has 16 divisors (see below), whose sum is σ = 2545618486320. Its totient is φ = 2086851546624.

The previous prime is 2312123323093. The next prime is 2312123323141. The reversal of 2312123323133 is 3313233212132.

It can be written as a sum of positive squares in 8 ways, for example, as 1230816889 + 2310892506244 = 35083^2 + 1520162^2 .

It is not a de Polignac number, because 2312123323133 - 2²² = 2312119128829 is a prime.

It is a super-2 number, since 2×2312123323133² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312123323096 and 2312123323105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312123326133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5524688 + ... + 5928441.

It is an arithmetic number, because the mean of its divisors is an integer number (159101155395).

Almost surely, 2^{2312123323133} is an apocalyptic number.

It is an amenable number.

2312123323133 is a deficient number, since it is larger than the sum of its proper divisors (233495163187).

2312123323133 is a wasteful number, since it uses less digits than its factorization.

2312123323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453488.

The product of its digits is 11664, while the sum is 29.

Adding to 2312123323133 its reverse (3313233212132), we get a palindrome (5625356535265).

The spelling of 2312123323133 in words is "two trillion, three hundred twelve billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-three".