423896793648 has 160 divisors (see below), whose sum is σ = 1153141194240. Its totient is φ = 133923440640.

The previous prime is 423896793637. The next prime is 423896793673. The reversal of 423896793648 is 846397698324.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57897828 + ... + 57905148.

It is an arithmetic number, because the mean of its divisors is an integer number (7207132464).

Almost surely, 2^423896793648 is an apocalyptic number.

423896793648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423896793648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576570597120).

423896793648 is an abundant number, since it is smaller than the sum of its proper divisors (729244400592).

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

423896793648 is a wasteful number, since it uses less digits than its factorization.

423896793648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7821 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 69.

The spelling of 423896793648 in words is "four hundred twenty-three billion, eight hundred ninety-six million, seven hundred ninety-three thousand, six hundred forty-eight".