420523112 has 16 divisors (see below), whose sum is σ = 788870340. Its totient is φ = 210157696.

The previous prime is 420523097. The next prime is 420523121. The reversal of 420523112 is 211325024.

It can be written as a sum of positive squares in 2 ways, for example, as 337603876 + 82919236 = 18374^2 + 9106^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5828 + ... + 29580.

Almost surely, 2^420523112 is an apocalyptic number.

It is an amenable number.

420523112 is a deficient number, since it is larger than the sum of its proper divisors (368347228).

420523112 is a wasteful number, since it uses less digits than its factorization.

420523112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25972 (or 25968 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 420523112 is about 20506.6601863882. The cubic root of 420523112 is about 749.1980239367.

Adding to 420523112 its reverse (211325024), we get a palindrome (631848136).

The spelling of 420523112 in words is "four hundred twenty million, five hundred twenty-three thousand, one hundred twelve".