923388975228 has 12 divisors (see below), whose sum is σ = 2154574275560. Its totient is φ = 307796325072.

The previous prime is 923388975211. The next prime is 923388975293. The reversal of 923388975228 is 822579883329.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38474540623 + ... + 38474540646.

Almost surely, 2^923388975228 is an apocalyptic number.

It is an amenable number.

923388975228 is an abundant number, since it is smaller than the sum of its proper divisors (1231185300332).

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

923388975228 is a wasteful number, since it uses less digits than its factorization.

923388975228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76949081276 (or 76949081274 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 66.

The spelling of 923388975228 in words is "nine hundred twenty-three billion, three hundred eighty-eight million, nine hundred seventy-five thousand, two hundred twenty-eight".