423568839252 has 48 divisors (see below), whose sum is σ = 1064817541760. Its totient is φ = 130271925888.

The previous prime is 423568839251. The next prime is 423568839311. The reversal of 423568839252 is 252938865324.

It is a junction number, because it is equal to n+sod(n) for n = 423568839192 and 423568839201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423568839251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 234352 + ... + 949767.

Almost surely, 2^423568839252 is an apocalyptic number.

It is an amenable number.

423568839252 is an abundant number, since it is smaller than the sum of its proper divisors (641248702508).

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

423568839252 is a wasteful number, since it uses less digits than its factorization.

423568839252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186432 (or 1186430 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 57.

The spelling of 423568839252 in words is "four hundred twenty-three billion, five hundred sixty-eight million, eight hundred thirty-nine thousand, two hundred fifty-two".