2140323111 has 24 divisors (see below), whose sum is σ = 3198334464. Its totient is φ = 1377812880.

The previous prime is 2140323061. The next prime is 2140323131. The reversal of 2140323111 is 1113230412.

2140323111 is a `hidden beast` number, since 21 + 403 + 231 + 11 = 666.

It is not a de Polignac number, because 2140323111 - 2¹⁰ = 2140322087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140323131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122080 + ... + 138506.

It is an arithmetic number, because the mean of its divisors is an integer number (133263936).

Almost surely, 2^2140323111 is an apocalyptic number.

2140323111 is a deficient number, since it is larger than the sum of its proper divisors (1058011353).

2140323111 is a wasteful number, since it uses less digits than its factorization.

2140323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16931 (or 16928 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2140323111 is about 46263.6262197420. The cubic root of 2140323111 is about 1288.7235959472.

Adding to 2140323111 its reverse (1113230412), we get a palindrome (3253553523).

The spelling of 2140323111 in words is "two billion, one hundred forty million, three hundred twenty-three thousand, one hundred eleven".