423230405 has 8 divisors (see below), whose sum is σ = 546943992. Its totient is φ = 312539328.

The previous prime is 423230393. The next prime is 423230417. The reversal of 423230405 is 504032324.

It is an interprime number because it is at equal distance from previous prime (423230393) and next prime (423230417).

It can be written as a sum of positive squares in 4 ways, for example, as 47141956 + 376088449 = 6866^2 + 19393^2 .

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 423230405 - 2¹⁰ = 423229381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3255554 + ... + 3255683.

It is an arithmetic number, because the mean of its divisors is an integer number (68367999).

Almost surely, 2^423230405 is an apocalyptic number.

It is an amenable number.

423230405 is a deficient number, since it is larger than the sum of its proper divisors (123713587).

423230405 is a wasteful number, since it uses less digits than its factorization.

423230405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511255.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 423230405 is about 20572.5643758866. The cubic root of 423230405 is about 750.8023443150.

Adding to 423230405 its reverse (504032324), we get a palindrome (927262729).

The spelling of 423230405 in words is "four hundred twenty-three million, two hundred thirty thousand, four hundred five".