923225520 has 160 divisors (see below), whose sum is σ = 3413210112. Its totient is φ = 201839616.

The previous prime is 923225509. The next prime is 923225551. The reversal of 923225520 is 25522329.

923225520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26694 + ... + 50586.

Almost surely, 2^923225520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923225520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706605056).

923225520 is an abundant number, since it is smaller than the sum of its proper divisors (2489984592).

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

923225520 is a wasteful number, since it uses less digits than its factorization.

923225520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939 (or 23933 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 923225520 is about 30384.6263758500. The cubic root of 923225520 is about 973.7241325976.

Adding to 923225520 its reverse (25522329), we get a palindrome (948747849).

The spelling of 923225520 in words is "nine hundred twenty-three million, two hundred twenty-five thousand, five hundred twenty".