423899270892 has 144 divisors (see below), whose sum is σ = 1119814771712. Its totient is φ = 140208045120.

The previous prime is 423899270867. The next prime is 423899270939. The reversal of 423899270892 is 298072998324.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151229163 + ... + 151231965.

Almost surely, 2^423899270892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423899270892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559907385856).

423899270892 is an abundant number, since it is smaller than the sum of its proper divisors (695915500820).

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

423899270892 is a wasteful number, since it uses less digits than its factorization.

423899270892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3956 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 423899270892 in words is "four hundred twenty-three billion, eight hundred ninety-nine million, two hundred seventy thousand, eight hundred ninety-two".