423455546 has 16 divisors (see below), whose sum is σ = 669096960. Its totient is φ = 200439360.

The previous prime is 423455521. The next prime is 423455569. The reversal of 423455546 is 645554324.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64391 + ... + 70661.

It is an arithmetic number, because the mean of its divisors is an integer number (41818560).

Almost surely, 2^423455546 is an apocalyptic number.

423455546 is a deficient number, since it is larger than the sum of its proper divisors (245641414).

423455546 is a wasteful number, since it uses less digits than its factorization.

423455546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069.

The product of its digits is 288000, while the sum is 38.

The square root of 423455546 is about 20578.0355233438. The cubic root of 423455546 is about 750.9354526047.

The spelling of 423455546 in words is "four hundred twenty-three million, four hundred fifty-five thousand, five hundred forty-six".