2311302123 has 48 divisors (see below), whose sum is σ = 3726987264. Its totient is φ = 1370658240.

The previous prime is 2311302067. The next prime is 2311302193. The reversal of 2311302123 is 3212031132.

It is not a de Polignac number, because 2311302123 - 2⁹ = 2311301611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311302096 and 2311302105.

It is not an unprimeable number, because it can be changed into a prime (2311302193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952690 + ... + 955112.

It is an arithmetic number, because the mean of its divisors is an integer number (77645568).

Almost surely, 2^2311302123 is an apocalyptic number.

2311302123 is a deficient number, since it is larger than the sum of its proper divisors (1415685141).

2311302123 is a wasteful number, since it uses less digits than its factorization.

2311302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2733 counting only the distinct ones).

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

The square root of 2311302123 is about 48076.0036088692. The cubic root of 2311302123 is about 1322.1647451436.

Adding to 2311302123 its reverse (3212031132), we get a palindrome (5523333255).

The spelling of 2311302123 in words is "two billion, three hundred eleven million, three hundred two thousand, one hundred twenty-three".