123345347666 has 8 divisors (see below), whose sum is σ = 186849883404. Its totient is φ = 61062053200.

The previous prime is 123345347569. The next prime is 123345347677. The reversal of 123345347666 is 666743543321.

123345347666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123344952025 + 395641 = 351205^2 + 629^2 .

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

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, 305310065 + ... + 305310468.

Almost surely, 2^123345347666 is an apocalyptic number.

123345347666 is a deficient number, since it is larger than the sum of its proper divisors (63504535738).

123345347666 is a wasteful number, since it uses less digits than its factorization.

123345347666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610620636.

The product of its digits is 6531840, while the sum is 50.

The spelling of 123345347666 in words is "one hundred twenty-three billion, three hundred forty-five million, three hundred forty-seven thousand, six hundred sixty-six".