19371923000 has 64 divisors (see below), whose sum is σ = 45374191200. Its totient is φ = 7741267200.

The previous prime is 19371922979. The next prime is 19371923041. The reversal of 19371923000 is 32917391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088171 + ... + 1105829.

Almost surely, 2^19371923000 is an apocalyptic number.

19371923000 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 19371923000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22687095600).

19371923000 is an abundant number, since it is smaller than the sum of its proper divisors (26002268200).

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

19371923000 is a wasteful number, since it uses less digits than its factorization.

19371923000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18777 (or 18763 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 19371923000 in words is "nineteen billion, three hundred seventy-one million, nine hundred twenty-three thousand".