1444404223 has 2 divisors, whose sum is σ = 1444404224. Its totient is φ = 1444404222.

The previous prime is 1444404217. The next prime is 1444404251. The reversal of 1444404223 is 3224044441.

It is an a-pointer prime, because the next prime (1444404251) can be obtained adding 1444404223 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1444404223 - 2²¹ = 1442307071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444404191 and 1444404200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444404323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722202111 + 722202112.

It is an arithmetic number, because the mean of its divisors is an integer number (722202112).

Almost surely, 2^1444404223 is an apocalyptic number.

1444404223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444404223 is an equidigital number, since it uses as much as digits as its factorization.

1444404223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1444404223 is about 38005.3183515150. The cubic root of 1444404223 is about 1130.3933219774.

Adding to 1444404223 its reverse (3224044441), we get a palindrome (4668448664).

The spelling of 1444404223 in words is "one billion, four hundred forty-four million, four hundred four thousand, two hundred twenty-three".