244440023 has 2 divisors, whose sum is σ = 244440024. Its totient is φ = 244440022.

The previous prime is 244440011. The next prime is 244440037. The reversal of 244440023 is 320044442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244440023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244440083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122220011 + 122220012.

It is an arithmetic number, because the mean of its divisors is an integer number (122220012).

Almost surely, 2^244440023 is an apocalyptic number.

244440023 is a deficient number, since it is larger than the sum of its proper divisors (1).

244440023 is an equidigital number, since it uses as much as digits as its factorization.

244440023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 244440023 is about 15634.5778005036. The cubic root of 244440023 is about 625.2553819272.

Adding to 244440023 its reverse (320044442), we get a palindrome (564484465).

The spelling of 244440023 in words is "two hundred forty-four million, four hundred forty thousand, twenty-three".