423510040 has 32 divisors (see below), whose sum is σ = 994330080. Its totient is φ = 162038272.

The previous prime is 423510037. The next prime is 423510047. The reversal of 423510040 is 40015324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423510047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 229249 + ... + 231088.

It is an arithmetic number, because the mean of its divisors is an integer number (31072815).

Almost surely, 2^423510040 is an apocalyptic number.

423510040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423510040 is an abundant number, since it is smaller than the sum of its proper divisors (570820040).

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

423510040 is a wasteful number, since it uses less digits than its factorization.

423510040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460371 (or 460367 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 423510040 is about 20579.3595624354. The cubic root of 423510040 is about 750.9676635586.

Adding to 423510040 its reverse (40015324), we get a palindrome (463525364).

The spelling of 423510040 in words is "four hundred twenty-three million, five hundred ten thousand, forty".