423350500320 has 384 divisors, whose sum is σ = 1701508032000. Its totient is φ = 97228615680.

The previous prime is 423350500169. The next prime is 423350500333. The reversal of 423350500320 is 23005053324.

423350500320 is a `hidden beast` number, since 4 + 2 + 335 + 0 + 5 + 0 + 0 + 320 = 666.

It is a super-2 number, since 2×423350500320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 668436 + ... + 1137324.

It is an arithmetic number, because the mean of its divisors is an integer number (4431010500).

Almost surely, 2^423350500320 is an apocalyptic number.

423350500320 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 423350500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850754016000).

423350500320 is an abundant number, since it is smaller than the sum of its proper divisors (1278157531680).

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

423350500320 is a wasteful number, since it uses less digits than its factorization.

423350500320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468943 (or 468929 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 423350500320 its reverse (23005053324), we get a palindrome (446355553644).

The spelling of 423350500320 in words is "four hundred twenty-three billion, three hundred fifty million, five hundred thousand, three hundred twenty".