244123231409 has 2 divisors, whose sum is σ = 244123231410. Its totient is φ = 244123231408.

The previous prime is 244123231381. The next prime is 244123231421. The reversal of 244123231409 is 904132321442.

244123231409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181659226225 + 62464005184 = 426215^2 + 249928^2 .

It is a cyclic number.

It is not a de Polignac number, because 244123231409 - 2²⁰ = 244122182833 is a prime.

It is a super-2 number, since 2×244123231409² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244123291409) 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 as a sum of consecutive naturals, namely, 122061615704 + 122061615705.

It is an arithmetic number, because the mean of its divisors is an integer number (122061615705).

Almost surely, 2^244123231409 is an apocalyptic number.

It is an amenable number.

244123231409 is a deficient number, since it is larger than the sum of its proper divisors (1).

244123231409 is an equidigital number, since it uses as much as digits as its factorization.

244123231409 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 35.

The spelling of 244123231409 in words is "two hundred forty-four billion, one hundred twenty-three million, two hundred thirty-one thousand, four hundred nine".