923315904 has 336 divisors, whose sum is σ = 3195279360. Its totient is φ = 249384960.

The previous prime is 923315843. The next prime is 923315927. The reversal of 923315904 is 409513329.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

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

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 47 ways as a sum of consecutive naturals, for example, 10374292 + ... + 10374380.

It is an arithmetic number, because the mean of its divisors is an integer number (9509760).

Almost surely, 2^923315904 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 923315904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597639680).

923315904 is an abundant number, since it is smaller than the sum of its proper divisors (2271963456).

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

923315904 is a wasteful number, since it uses less digits than its factorization.

923315904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 923315904 is about 30386.1136705568. The cubic root of 923315904 is about 973.7559075028.

The spelling of 923315904 in words is "nine hundred twenty-three million, three hundred fifteen thousand, nine hundred four".