1923013680 has 160 divisors (see below), whose sum is σ = 6867369984. Its totient is φ = 436036608.

The previous prime is 1923013663. The next prime is 1923013711. The reversal of 1923013680 is 863103291.

It is a super-3 number, since 3×1923013680³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208854 + ... + 217866.

Almost surely, 2^1923013680 is an apocalyptic number.

1923013680 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 1923013680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433684992).

1923013680 is an abundant number, since it is smaller than the sum of its proper divisors (4944356304).

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

1923013680 is a wasteful number, since it uses less digits than its factorization.

1923013680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163 (or 9157 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1923013680 is about 43852.1798774018. The cubic root of 1923013680 is about 1243.5429544160.

The spelling of 1923013680 in words is "one billion, nine hundred twenty-three million, thirteen thousand, six hundred eighty".