2112340403 has 8 divisors (see below), whose sum is σ = 2186338176. Its totient is φ = 2038708800.

The previous prime is 2112340357. The next prime is 2112340421. The reversal of 2112340403 is 3040432112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112340403 - 2¹⁰ = 2112339379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112340453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79778 + ... + 102903.

It is an arithmetic number, because the mean of its divisors is an integer number (273292272).

Almost surely, 2^2112340403 is an apocalyptic number.

2112340403 is a deficient number, since it is larger than the sum of its proper divisors (73997773).

2112340403 is a wasteful number, since it uses less digits than its factorization.

2112340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183085.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2112340403 is about 45960.2045578564. The cubic root of 2112340403 is about 1283.0826584916.

Adding to 2112340403 its reverse (3040432112), we get a palindrome (5152772515).

The spelling of 2112340403 in words is "two billion, one hundred twelve million, three hundred forty thousand, four hundred three".