1923318336 has 56 divisors (see below), whose sum is σ = 5111313120. Its totient is φ = 638267392.

The previous prime is 1923318329. The next prime is 1923318359. The reversal of 1923318336 is 6338133291.

It is a junction number, because it is equal to n+sod(n) for n = 1923318294 and 1923318303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21520 + ... + 65648.

Almost surely, 2^1923318336 is an apocalyptic number.

1923318336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1923318336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555656560).

1923318336 is an abundant number, since it is smaller than the sum of its proper divisors (3187994784).

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

1923318336 is a wasteful number, since it uses less digits than its factorization.

1923318336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44371 (or 44361 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 1923318336 is about 43855.6534097943. The cubic root of 1923318336 is about 1243.6086209306.

The spelling of 1923318336 in words is "one billion, nine hundred twenty-three million, three hundred eighteen thousand, three hundred thirty-six".