2113143 has 16 divisors (see below), whose sum is σ = 2954880. Its totient is φ = 1341536.

The previous prime is 2113129. The next prime is 2113147. The reversal of 2113143 is 3413112.

It is a cyclic number.

It is not a de Polignac number, because 2113143 - 2⁹ = 2112631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9196 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2^2113143 is an apocalyptic number.

2113143 is a deficient number, since it is larger than the sum of its proper divisors (841737).

2113143 is a wasteful number, since it uses less digits than its factorization.

2113143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 72, while the sum is 15.

The square root of 2113143 is about 1453.6653672699. The cubic root of 2113143 is about 128.3245143019.

Adding to 2113143 its reverse (3413112), we get a palindrome (5526255).

The spelling of 2113143 in words is "two million, one hundred thirteen thousand, one hundred forty-three".