423064641320 has 128 divisors (see below), whose sum is σ = 1008314542080. Its totient is φ = 159423264000.

The previous prime is 423064641317. The next prime is 423064641353. The reversal of 423064641320 is 23146460324.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76486955 + ... + 76492485.

It is an arithmetic number, because the mean of its divisors is an integer number (7877457360).

Almost surely, 2^423064641320 is an apocalyptic number.

423064641320 is a gapful number since it is divisible by the number (40) 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 423064641320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504157271040).

423064641320 is an abundant number, since it is smaller than the sum of its proper divisors (585249900760).

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

423064641320 is a wasteful number, since it uses less digits than its factorization.

423064641320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 423064641320 in words is "four hundred twenty-three billion, sixty-four million, six hundred forty-one thousand, three hundred twenty".