423819945000 has 960 divisors, whose sum is σ = 1602679478400. Its totient is φ = 104872320000.

The previous prime is 423819944987. The next prime is 423819945047. The reversal of 423819945000 is 549918324.

423819945000 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 199 + 450 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 5969294965 + ... + 5969295035.

It is an arithmetic number, because the mean of its divisors is an integer number (1669457790).

Almost surely, 2^423819945000 is an apocalyptic number.

423819945000 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 423819945000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801339739200).

423819945000 is an abundant number, since it is smaller than the sum of its proper divisors (1178859533400).

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

423819945000 is an frugal number, since it uses more digits than its factorization.

423819945000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 423819945000 in words is "four hundred twenty-three billion, eight hundred nineteen million, nine hundred forty-five thousand".