123374064689 has 8 divisors (see below), whose sum is σ = 126391262760. Its totient is φ = 120357251200.

The previous prime is 123374064683. The next prime is 123374064703. The reversal of 123374064689 is 986460473321.

It can be written as a sum of positive squares in 4 ways, for example, as 108472225 + 123265592464 = 10415^2 + 351092^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123374064689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123374064689.

It is not an unprimeable number, because it can be changed into a prime (123374064683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617219 + ... + 792279.

It is an arithmetic number, because the mean of its divisors is an integer number (15798907845).

Almost surely, 2^123374064689 is an apocalyptic number.

It is an amenable number.

123374064689 is a deficient number, since it is larger than the sum of its proper divisors (3017198071).

123374064689 is a wasteful number, since it uses less digits than its factorization.

123374064689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192291.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 123374064689 in words is "one hundred twenty-three billion, three hundred seventy-four million, sixty-four thousand, six hundred eighty-nine".