1244240400323 has 2 divisors, whose sum is σ = 1244240400324. Its totient is φ = 1244240400322.

The previous prime is 1244240400269. The next prime is 1244240400341. The reversal of 1244240400323 is 3230040424421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244240400323 - 2¹² = 1244240396227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244240400523) 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, 622120200161 + 622120200162.

It is an arithmetic number, because the mean of its divisors is an integer number (622120200162).

Almost surely, 2^{1244240400323} is an apocalyptic number.

1244240400323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244240400323 is an equidigital number, since it uses as much as digits as its factorization.

1244240400323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1244240400323 its reverse (3230040424421), we get a palindrome (4474280824744).

The spelling of 1244240400323 in words is "one trillion, two hundred forty-four billion, two hundred forty million, four hundred thousand, three hundred twenty-three".