19823745122 has 32 divisors (see below), whose sum is σ = 31083393600. Its totient is φ = 9469985728.

The previous prime is 19823745113. The next prime is 19823745163. The reversal of 19823745122 is 22154732891.

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, 10046528 + ... + 10048500.

It is an arithmetic number, because the mean of its divisors is an integer number (971356050).

Almost surely, 2^19823745122 is an apocalyptic number.

19823745122 is a deficient number, since it is larger than the sum of its proper divisors (11259648478).

19823745122 is a wasteful number, since it uses less digits than its factorization.

19823745122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730.

The product of its digits is 241920, while the sum is 44.

The spelling of 19823745122 in words is "nineteen billion, eight hundred twenty-three million, seven hundred forty-five thousand, one hundred twenty-two".