923720898816 has 81 divisors (see below), whose sum is σ = 2663448093579. Its totient is φ = 307891588608.

The previous prime is 923720898739. The next prime is 923720898827. The reversal of 923720898816 is 618898027329.

The square root of 923720898816 is 961104.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46122981 + ... + 46143003.

Almost surely, 2^923720898816 is an apocalyptic number.

923720898816 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

923720898816 is the 961104-th square number.

It is an amenable number.

923720898816 is an abundant number, since it is smaller than the sum of its proper divisors (1739727194763).

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

923720898816 is an frugal number, since it uses more digits than its factorization.

923720898816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40068 (or 20028 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 923720898816 in words is "nine hundred twenty-three billion, seven hundred twenty million, eight hundred ninety-eight thousand, eight hundred sixteen".