2312031123 has 12 divisors (see below), whose sum is σ = 3421054728. Its totient is φ = 1503759840.

The previous prime is 2312031083. The next prime is 2312031133. The reversal of 2312031123 is 3211302132.

It is not a de Polignac number, because 2312031123 - 2¹⁶ = 2311965587 is a prime.

It is a super-2 number, since 2×2312031123² = 10690975827441282258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312031096 and 2312031105.

It is not an unprimeable number, because it can be changed into a prime (2312031133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3132465 + ... + 3133202.

It is an arithmetic number, because the mean of its divisors is an integer number (285087894).

Almost surely, 2^2312031123 is an apocalyptic number.

2312031123 is a deficient number, since it is larger than the sum of its proper divisors (1109023605).

2312031123 is a wasteful number, since it uses less digits than its factorization.

2312031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265714 (or 6265711 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2312031123 is about 48083.5847561307. The cubic root of 2312031123 is about 1322.3037370379.

Adding to 2312031123 its reverse (3211302132), we get a palindrome (5523333255).

The spelling of 2312031123 in words is "two billion, three hundred twelve million, thirty-one thousand, one hundred twenty-three".