423193505 has 16 divisors (see below), whose sum is σ = 580760064. Its totient is φ = 289999680.

The previous prime is 423193501. The next prime is 423193559. The reversal of 423193505 is 505391324.

It is not a de Polignac number, because 423193505 - 2² = 423193501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423193501) 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, 69275 + ... + 75135.

It is an arithmetic number, because the mean of its divisors is an integer number (36297504).

Almost surely, 2^423193505 is an apocalyptic number.

It is an amenable number.

423193505 is a deficient number, since it is larger than the sum of its proper divisors (157566559).

423193505 is a wasteful number, since it uses less digits than its factorization.

423193505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 423193505 is about 20571.6675308542. The cubic root of 423193505 is about 750.7805237248.

The spelling of 423193505 in words is "four hundred twenty-three million, one hundred ninety-three thousand, five hundred five".