18923230802 has 16 divisors (see below), whose sum is σ = 32442776640. Its totient is φ = 8109217968.

The previous prime is 18923230787. The next prime is 18923230811. The reversal of 18923230802 is 20803232981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115349 + ... + 226167.

It is an arithmetic number, because the mean of its divisors is an integer number (2027673540).

Almost surely, 2^18923230802 is an apocalyptic number.

18923230802 is a deficient number, since it is larger than the sum of its proper divisors (13519545838).

18923230802 is a wasteful number, since it uses less digits than its factorization.

18923230802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123025.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 18923230802 in words is "eighteen billion, nine hundred twenty-three million, two hundred thirty thousand, eight hundred two".