244120023253 has 4 divisors (see below), whose sum is σ = 244426322700. Its totient is φ = 243813723808.

The previous prime is 244120023197. The next prime is 244120023281. The reversal of 244120023253 is 352320021442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109043927524 + 135076095729 = 330218^2 + 367527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244120023253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244120023293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153148528 + ... + 153150121.

It is an arithmetic number, because the mean of its divisors is an integer number (61106580675).

Almost surely, 2^244120023253 is an apocalyptic number.

It is an amenable number.

244120023253 is a deficient number, since it is larger than the sum of its proper divisors (306299447).

244120023253 is an equidigital number, since it uses as much as digits as its factorization.

244120023253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306299446.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 244120023253 its reverse (352320021442), we get a palindrome (596440044695).

The spelling of 244120023253 in words is "two hundred forty-four billion, one hundred twenty million, twenty-three thousand, two hundred fifty-three".