923633664 has 192 divisors, whose sum is σ = 2688940800. Its totient is φ = 280756224.

The previous prime is 923633663. The next prime is 923633713. The reversal of 923633664 is 466336329.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923633663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3864457 + ... + 3864695.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2^923633664 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 923633664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344470400).

923633664 is an abundant number, since it is smaller than the sum of its proper divisors (1765307136).

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

923633664 is a wasteful number, since it uses less digits than its factorization.

923633664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 298 counting only the distinct ones).

The product of its digits is 419904, while the sum is 42.

The square root of 923633664 is about 30391.3419249628. The cubic root of 923633664 is about 973.8676010149.

The spelling of 923633664 in words is "nine hundred twenty-three million, six hundred thirty-three thousand, six hundred sixty-four".