324040423 has 4 divisors (see below), whose sum is σ = 370331920. Its totient is φ = 277748928.

The previous prime is 324040397. The next prime is 324040429.

324040423 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324040423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 324040394 and 324040403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324040429) 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, 23145738 + ... + 23145751.

It is an arithmetic number, because the mean of its divisors is an integer number (92582980).

Almost surely, 2^324040423 is an apocalyptic number.

324040423 is a deficient number, since it is larger than the sum of its proper divisors (46291497).

324040423 is an equidigital number, since it uses as much as digits as its factorization.

324040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46291496.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 324040423 is about 18001.1228260906. The cubic root of 324040423 is about 686.8571077910.

The spelling of 324040423 in words is "three hundred twenty-four million, forty thousand, four hundred twenty-three".