2311143023 has 32 divisors (see below), whose sum is σ = 2779920000. Its totient is φ = 1879718400.

The previous prime is 2311143007. The next prime is 2311143041. The reversal of 2311143023 is 3203411132.

It is not a de Polignac number, because 2311143023 - 2⁴ = 2311143007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311142986 and 2311143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311143053) 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 31 ways as a sum of consecutive naturals, for example, 3296573 + ... + 3297273.

It is an arithmetic number, because the mean of its divisors is an integer number (86872500).

Almost surely, 2^2311143023 is an apocalyptic number.

2311143023 is a deficient number, since it is larger than the sum of its proper divisors (468776977).

2311143023 is a wasteful number, since it uses less digits than its factorization.

2311143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2311143023 is about 48074.3489087476. The cubic root of 2311143023 is about 1322.1344070878.

Adding to 2311143023 its reverse (3203411132), we get a palindrome (5514554155).

The spelling of 2311143023 in words is "two billion, three hundred eleven million, one hundred forty-three thousand, twenty-three".