244440130423 has 4 divisors (see below), whose sum is σ = 244467387208. Its totient is φ = 244412873640.

The previous prime is 244440130421. The next prime is 244440130439. The reversal of 244440130423 is 324031044442.

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

It is a cyclic number.

It is not a de Polignac number, because 244440130423 - 2¹ = 244440130421 is a prime.

It is a super-2 number, since 2×244440130423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244440130421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13614936 + ... + 13632877.

It is an arithmetic number, because the mean of its divisors is an integer number (61116846802).

Almost surely, 2^244440130423 is an apocalyptic number.

244440130423 is a deficient number, since it is larger than the sum of its proper divisors (27256785).

244440130423 is an equidigital number, since it uses as much as digits as its factorization.

244440130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27256784.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 244440130423 its reverse (324031044442), we get a palindrome (568471174865).

The spelling of 244440130423 in words is "two hundred forty-four billion, four hundred forty million, one hundred thirty thousand, four hundred twenty-three".