3240423 has 18 divisors (see below), whose sum is σ = 4828824. Its totient is φ = 2093904.

The previous prime is 3240409. The next prime is 3240449.

3240423 is a `hidden beast` number, since 3 + 240 + 423 = 666.

3240423 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3240423 - 2⁴ = 3240407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3240396 and 3240405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3241423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12190 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (268268).

Almost surely, 2^3240423 is an apocalyptic number.

3240423 is a deficient number, since it is larger than the sum of its proper divisors (1588401).

3240423 is a wasteful number, since it uses less digits than its factorization.

3240423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 303 counting only the distinct ones).

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

The square root of 3240423 is about 1800.1174961652. The cubic root of 3240423 is about 147.9791637334.

It can be divided in two parts, 3240 and 423, that added together give a palindrome (3663).

The spelling of 3240423 in words is "three million, two hundred forty thousand, four hundred twenty-three".