423722880 has 512 divisors, whose sum is σ = 1786060800. Its totient is φ = 92897280.

The previous prime is 423722867. The next prime is 423722881. The reversal of 423722880 is 88227324.

423722880 is a `hidden beast` number, since 4 + 2 + 372 + 288 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423722881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3749704 + ... + 3749816.

It is an arithmetic number, because the mean of its divisors is an integer number (3488400).

Almost surely, 2^423722880 is an apocalyptic number.

423722880 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 423722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893030400).

423722880 is an abundant number, since it is smaller than the sum of its proper divisors (1362337920).

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

423722880 is a wasteful number, since it uses less digits than its factorization.

423722880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 423722880 is about 20584.5301136557. The cubic root of 423722880 is about 751.0934450625.

The spelling of 423722880 in words is "four hundred twenty-three million, seven hundred twenty-two thousand, eight hundred eighty".