2340043 has 4 divisors (see below), whose sum is σ = 2441808. Its totient is φ = 2238280.

The previous prime is 2340029. The next prime is 2340061. The reversal of 2340043 is 3400432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2340043 - 2⁵ = 2340011 is a prime.

It is a Duffinian number.

2340043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2339999 and 2340026.

It is not an unprimeable number, because it can be changed into a prime (2347043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50848 + ... + 50893.

It is an arithmetic number, because the mean of its divisors is an integer number (610452).

2^2340043 is an apocalyptic number.

2340043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2340043 is a deficient number, since it is larger than the sum of its proper divisors (101765).

2340043 is a wasteful number, since it uses less digits than its factorization.

2340043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101764.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2340043 is about 1529.7199090030. The cubic root of 2340043 is about 132.7622526323.

Adding to 2340043 its reverse (3400432), we get a palindrome (5740475).

It can be divided in two parts, 2 and 340043, that multiplied together give a palindrome (680086).

The spelling of 2340043 in words is "two million, three hundred forty thousand, forty-three".