423245505 has 16 divisors (see below), whose sum is σ = 677453184. Its totient is φ = 225644160.

The previous prime is 423245503. The next prime is 423245509. The reversal of 423245505 is 505542324.

It is not a de Polignac number, because 423245505 - 2¹ = 423245503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423245503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61645 + ... + 68165.

It is an arithmetic number, because the mean of its divisors is an integer number (42340824).

Almost surely, 2^423245505 is an apocalyptic number.

It is an amenable number.

423245505 is a deficient number, since it is larger than the sum of its proper divisors (254207679).

423245505 is a wasteful number, since it uses less digits than its factorization.

423245505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10856.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 423245505 is about 20572.9313662395. The cubic root of 423245505 is about 750.8112732423.

Adding to 423245505 its reverse (505542324), we get a palindrome (928787829).

The spelling of 423245505 in words is "four hundred twenty-three million, two hundred forty-five thousand, five hundred five".