423012546 has 48 divisors (see below), whose sum is σ = 1032115968. Its totient is φ = 124048800.

The previous prime is 423012497. The next prime is 423012587. The reversal of 423012546 is 645210324.

It is a super-2 number, since 2×423012546² = 357879228146804232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28321 + ... + 40596.

It is an arithmetic number, because the mean of its divisors is an integer number (21502416).

Almost surely, 2^423012546 is an apocalyptic number.

423012546 is an abundant number, since it is smaller than the sum of its proper divisors (609103422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423012546 is a wasteful number, since it uses less digits than its factorization.

423012546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68967 (or 68964 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 423012546 is about 20567.2688026388. The cubic root of 423012546 is about 750.6734963558.

The spelling of 423012546 in words is "four hundred twenty-three million, twelve thousand, five hundred forty-six".