1923660768 has 24 divisors (see below), whose sum is σ = 5049609768. Its totient is φ = 641220224.

The previous prime is 1923660727. The next prime is 1923660769. The reversal of 1923660768 is 8670663291.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923660769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018971 + ... + 10019162.

It is an arithmetic number, because the mean of its divisors is an integer number (210400407).

Almost surely, 2^1923660768 is an apocalyptic number.

It is an amenable number.

1923660768 is an abundant number, since it is smaller than the sum of its proper divisors (3125949000).

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

1923660768 is a wasteful number, since it uses less digits than its factorization.

1923660768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038146 (or 20038138 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1923660768 is about 43859.5573165074. The cubic root of 1923660768 is about 1243.6824215262.

The spelling of 1923660768 in words is "one billion, nine hundred twenty-three million, six hundred sixty thousand, seven hundred sixty-eight".