2112340423 has 16 divisors (see below), whose sum is σ = 2273893344. Its totient is φ = 1955036160.

The previous prime is 2112340421. The next prime is 2112340427. The reversal of 2112340423 is 3240432112.

It is a cyclic number.

It is not a de Polignac number, because 2112340423 - 2¹ = 2112340421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112340394 and 2112340403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112340421) 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, 865561 + ... + 867997.

It is an arithmetic number, because the mean of its divisors is an integer number (142118334).

Almost surely, 2^2112340423 is an apocalyptic number.

2112340423 is a deficient number, since it is larger than the sum of its proper divisors (161552921).

2112340423 is a wasteful number, since it uses less digits than its factorization.

2112340423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2112340423 is about 45960.2047754359. The cubic root of 2112340423 is about 1283.0826625411.

Adding to 2112340423 its reverse (3240432112), we get a palindrome (5352772535).

The spelling of 2112340423 in words is "two billion, one hundred twelve million, three hundred forty thousand, four hundred twenty-three".