1923120804 has 96 divisors (see below), whose sum is σ = 5120962560. Its totient is φ = 556019200.

The previous prime is 1923120803. The next prime is 1923120883. The reversal of 1923120804 is 4080213291.

It is not an unprimeable number, because it can be changed into a prime (1923120803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2182444 + ... + 2183324.

It is an arithmetic number, because the mean of its divisors is an integer number (53343360).

Almost surely, 2^1923120804 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 1923120804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560481280).

1923120804 is an abundant number, since it is smaller than the sum of its proper divisors (3197841756).

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

1923120804 is a wasteful number, since it uses less digits than its factorization.

1923120804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1923120804 is about 43853.4012819986. The cubic root of 1923120804 is about 1243.5660450512.

The spelling of 1923120804 in words is "one billion, nine hundred twenty-three million, one hundred twenty thousand, eight hundred four".