423816120 has 384 divisors, whose sum is σ = 1797344640. Its totient is φ = 84049920.

The previous prime is 423816083. The next prime is 423816157. The reversal of 423816120 is 21618324.

423816120 is a `hidden beast` number, since 42 + 3 + 8 + 1 + 612 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (423816083) and next prime (423816157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 556540 + ... + 557300.

It is an arithmetic number, because the mean of its divisors is an integer number (4680585).

Almost surely, 2^423816120 is an apocalyptic number.

423816120 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 423816120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898672320).

423816120 is an abundant number, since it is smaller than the sum of its proper divisors (1373528520).

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

423816120 is a wasteful number, since it uses less digits than its factorization.

423816120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 423816120 is about 20586.7947966652. The cubic root of 423816120 is about 751.1485335963.

The spelling of 423816120 in words is "four hundred twenty-three million, eight hundred sixteen thousand, one hundred twenty".