100423041213409 has 2 divisors, whose sum is σ = 100423041213410. Its totient is φ = 100423041213408.

The previous prime is 100423041213359. The next prime is 100423041213427. The reversal of 100423041213409 is 904312140324001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54535965213409 + 45887076000000 = 7384847^2 + 6774000^2 .

It is a cyclic number.

It is not a de Polignac number, because 100423041213409 - 2¹⁹ = 100423040689121 is a prime.

It is not a weakly prime, because it can be changed into another prime (100423041210409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50211520606704 + 50211520606705.

It is an arithmetic number, because the mean of its divisors is an integer number (50211520606705).

Almost surely, 2^{100423041213409} is an apocalyptic number.

It is an amenable number.

100423041213409 is a deficient number, since it is larger than the sum of its proper divisors (1).

100423041213409 is an equidigital number, since it uses as much as digits as its factorization.

100423041213409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 100423041213409 in words is "one hundred trillion, four hundred twenty-three billion, forty-one million, two hundred thirteen thousand, four hundred nine".