423424405 has 8 divisors (see below), whose sum is σ = 534852000. Its totient is φ = 320911056.

The previous prime is 423424399. The next prime is 423424409. The reversal of 423424405 is 504424324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423424405 - 2⁷ = 423424277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423424409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228455 + ... + 2228644.

It is an arithmetic number, because the mean of its divisors is an integer number (66856500).

Almost surely, 2^423424405 is an apocalyptic number.

It is an amenable number.

423424405 is a deficient number, since it is larger than the sum of its proper divisors (111427595).

423424405 is a wasteful number, since it uses less digits than its factorization.

423424405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457123.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 423424405 is about 20577.2788531429. The cubic root of 423424405 is about 750.9170441756.

Adding to 423424405 its reverse (504424324), we get a palindrome (927848729).

The spelling of 423424405 in words is "four hundred twenty-three million, four hundred twenty-four thousand, four hundred five".