123301716409 has 2 divisors, whose sum is σ = 123301716410. Its totient is φ = 123301716408.

The previous prime is 123301716319. The next prime is 123301716427. The reversal of 123301716409 is 904617103321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63703236025 + 59598480384 = 252395^2 + 244128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301716409 is a prime.

It is not a weakly prime, because it can be changed into another prime (123301716479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650858204 + 61650858205.

It is an arithmetic number, because the mean of its divisors is an integer number (61650858205).

Almost surely, 2^123301716409 is an apocalyptic number.

It is an amenable number.

123301716409 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301716409 is an equidigital number, since it uses as much as digits as its factorization.

123301716409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 123301716409 in words is "one hundred twenty-three billion, three hundred one million, seven hundred sixteen thousand, four hundred nine".