2340423 has 6 divisors (see below), whose sum is σ = 3380624. Its totient is φ = 1560276.

The previous prime is 2340421. The next prime is 2340431. The reversal of 2340423 is 3240432.

It is not a de Polignac number, because 2340423 - 2¹ = 2340421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2340396 and 2340405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130015 + ... + 130032.

2^2340423 is an apocalyptic number.

2340423 is a deficient number, since it is larger than the sum of its proper divisors (1040201).

2340423 is a wasteful number, since it uses less digits than its factorization.

2340423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260053 (or 260050 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2340423 is about 1529.8441097053. The cubic root of 2340423 is about 132.7694386720.

Adding to 2340423 its reverse (3240432), we get a palindrome (5580855).

Subtracting 2340423 from its reverse (3240432), we obtain a palindrome (900009).

The spelling of 2340423 in words is "two million, three hundred forty thousand, four hundred twenty-three".