923438880 has 768 divisors, whose sum is σ = 4165862400. Its totient is φ = 188116992.

The previous prime is 923438837. The next prime is 923438897. The reversal of 923438880 is 88834329.

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

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 31842706 + ... + 31842734.

It is an arithmetic number, because the mean of its divisors is an integer number (5424300).

Almost surely, 2^923438880 is an apocalyptic number.

923438880 is a gapful number since it is divisible by the number (90) 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 923438880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082931200).

923438880 is an abundant number, since it is smaller than the sum of its proper divisors (3242423520).

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

923438880 is a wasteful number, since it uses less digits than its factorization.

923438880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 923438880 is about 30388.1371590955. The cubic root of 923438880 is about 973.7991369436.

The spelling of 923438880 in words is "nine hundred twenty-three million, four hundred thirty-eight thousand, eight hundred eighty".