244142231121223 has 2 divisors, whose sum is σ = 244142231121224. Its totient is φ = 244142231121222.

The previous prime is 244142231121193. The next prime is 244142231121263. The reversal of 244142231121223 is 322121132241442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244142231121223 is a prime.

It is a super-3 number, since 3×244142231121223³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244142231121263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122071115560611 + 122071115560612.

It is an arithmetic number, because the mean of its divisors is an integer number (122071115560612).

Almost surely, 2^{244142231121223} is an apocalyptic number.

244142231121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

244142231121223 is an equidigital number, since it uses as much as digits as its factorization.

244142231121223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

Adding to 244142231121223 its reverse (322121132241442), we get a palindrome (566263363362665).

The spelling of 244142231121223 in words is "two hundred forty-four trillion, one hundred forty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred twenty-three".