923044890000 has 800 divisors, whose sum is σ = 3248752066560. Its totient is φ = 224985600000.

The previous prime is 923044889971. The next prime is 923044890083. The reversal of 923044890000 is 98440329.

It is a super-2 number, since 2×923044890000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2967989845 + ... + 2967990155.

Almost surely, 2^923044890000 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 923044890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624376033280).

923044890000 is an abundant number, since it is smaller than the sum of its proper divisors (2325707176560).

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

923044890000 is a wasteful number, since it uses less digits than its factorization.

923044890000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 923044890000 in words is "nine hundred twenty-three billion, forty-four million, eight hundred ninety thousand".