423176423 has 4 divisors (see below), whose sum is σ = 426265440. Its totient is φ = 420087408.

The previous prime is 423176419. The next prime is 423176431. The reversal of 423176423 is 324671324.

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

It is a cyclic number.

It is not a de Polignac number, because 423176423 - 2² = 423176419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423176423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423176483) 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, 1544303 + ... + 1544576.

It is an arithmetic number, because the mean of its divisors is an integer number (106566360).

Almost surely, 2^423176423 is an apocalyptic number.

423176423 is a deficient number, since it is larger than the sum of its proper divisors (3089017).

423176423 is a wasteful number, since it uses less digits than its factorization.

423176423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089016.

The product of its digits is 24192, while the sum is 32.

The square root of 423176423 is about 20571.2523439872. The cubic root of 423176423 is about 750.7704219587.

The spelling of 423176423 in words is "four hundred twenty-three million, one hundred seventy-six thousand, four hundred twenty-three".