123819793316 has 12 divisors (see below), whose sum is σ = 217583746380. Its totient is φ = 61653008640.

The previous prime is 123819793291. The next prime is 123819793379. The reversal of 123819793316 is 613397918321.

It can be written as a sum of positive squares in 2 ways, for example, as 106311210916 + 17508582400 = 326054^2 + 132320^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

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, 64220921 + ... + 64222848.

It is an arithmetic number, because the mean of its divisors is an integer number (18131978865).

Almost surely, 2^123819793316 is an apocalyptic number.

It is an amenable number.

123819793316 is a deficient number, since it is larger than the sum of its proper divisors (93763953064).

123819793316 is a wasteful number, since it uses less digits than its factorization.

123819793316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128444014 (or 128444012 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The spelling of 123819793316 in words is "one hundred twenty-three billion, eight hundred nineteen million, seven hundred ninety-three thousand, three hundred sixteen".