423855812652 has 24 divisors (see below), whose sum is σ = 1007657216496. Its totient is φ = 138619510848.

The previous prime is 423855812579. The next prime is 423855812669. The reversal of 423855812652 is 256218558324.

It is a junction number, because it is equal to n+sod(n) for n = 423855812595 and 423855812604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333219343 + ... + 333220614.

It is an arithmetic number, because the mean of its divisors is an integer number (41985717354).

Almost surely, 2^423855812652 is an apocalyptic number.

It is an amenable number.

423855812652 is an abundant number, since it is smaller than the sum of its proper divisors (583801403844).

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

423855812652 is a wasteful number, since it uses less digits than its factorization.

423855812652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666440017 (or 666440015 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 51.

The spelling of 423855812652 in words is "four hundred twenty-three billion, eight hundred fifty-five million, eight hundred twelve thousand, six hundred fifty-two".