1923000000 has 196 divisors, whose sum is σ = 6369762216. Its totient is φ = 512000000.

The previous prime is 1922999989. The next prime is 1923000047. The reversal of 1923000000 is 3291.

It is a super-3 number, since 3×1923000000³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2999680 + ... + 3000320.

Almost surely, 2^1923000000 is an apocalyptic number.

1923000000 is a gapful number since it is divisible by the number (10) 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 1923000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184881108).

1923000000 is an abundant number, since it is smaller than the sum of its proper divisors (4446762216).

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

1923000000 is an frugal number, since it uses more digits than its factorization.

1923000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1923000000 is about 43852.0238985614. The cubic root of 1923000000 is about 1243.5400056230.

Adding to 1923000000 its reverse (3291), we get a palindrome (1923003291).

It can be divided in two parts, 192 and 3000000, that multiplied together give a square (576000000 = 24000²).

The spelling of 1923000000 in words is "one billion, nine hundred twenty-three million", and thus it is an aban number.