19823747102 has 8 divisors (see below), whose sum is σ = 29736751296. Its totient is φ = 9911496672.

The previous prime is 19823747089. The next prime is 19823747117. The reversal of 19823747102 is 20174732891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117323 + ... + 231110.

It is an arithmetic number, because the mean of its divisors is an integer number (3717093912).

Almost surely, 2^19823747102 is an apocalyptic number.

19823747102 is a deficient number, since it is larger than the sum of its proper divisors (9913004194).

19823747102 is a wasteful number, since it uses less digits than its factorization.

19823747102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376882.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 19823747102 in words is "nineteen billion, eight hundred twenty-three million, seven hundred forty-seven thousand, one hundred two".