2311323404 has 24 divisors (see below), whose sum is σ = 4357315200. Its totient is φ = 1066431744.

The previous prime is 2311323379. The next prime is 2311323409. The reversal of 2311323404 is 4043231132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311323404.

It is not an unprimeable number, because it can be changed into a prime (2311323409) 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 7 ways as a sum of consecutive naturals, for example, 256772 + ... + 265620.

It is an arithmetic number, because the mean of its divisors is an integer number (181554800).

Almost surely, 2^2311323404 is an apocalyptic number.

It is an amenable number.

2311323404 is a deficient number, since it is larger than the sum of its proper divisors (2045991796).

2311323404 is a wasteful number, since it uses less digits than its factorization.

2311323404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889 (or 13887 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2311323404 is about 48076.2249349926. The cubic root of 2311323404 is about 1322.1688030151.

Adding to 2311323404 its reverse (4043231132), we get a palindrome (6354554536).

The spelling of 2311323404 in words is "two billion, three hundred eleven million, three hundred twenty-three thousand, four hundred four".