23443104409 has 2 divisors, whose sum is σ = 23443104410. Its totient is φ = 23443104408.

The previous prime is 23443104401. The next prime is 23443104449. The reversal of 23443104409 is 90440134432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12715945225 + 10727159184 = 112765^2 + 103572^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443104409 - 2³ = 23443104401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23443104401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721552204 + 11721552205.

It is an arithmetic number, because the mean of its divisors is an integer number (11721552205).

Almost surely, 2^23443104409 is an apocalyptic number.

It is an amenable number.

23443104409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443104409 is an equidigital number, since it uses as much as digits as its factorization.

23443104409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 23443104409 in words is "twenty-three billion, four hundred forty-three million, one hundred four thousand, four hundred nine".