1923918930 has 48 divisors (see below), whose sum is σ = 5023175040. Its totient is φ = 510892704.

The previous prime is 1923918907. The next prime is 1923918961. The reversal of 1923918930 is 398193291.

It is a happy number.

1923918930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23212 + ... + 66231.

It is an arithmetic number, because the mean of its divisors is an integer number (104649480).

Almost surely, 2^1923918930 is an apocalyptic number.

1923918930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1923918930 is an abundant number, since it is smaller than the sum of its proper divisors (3099256110).

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

1923918930 is a wasteful number, since it uses less digits than its factorization.

1923918930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89695 (or 89692 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1923918930 is about 43862.5002707324. The cubic root of 1923918930 is about 1243.7380545472.

The spelling of 1923918930 in words is "one billion, nine hundred twenty-three million, nine hundred eighteen thousand, nine hundred thirty".