1244023223 has 2 divisors, whose sum is σ = 1244023224. Its totient is φ = 1244023222.

The previous prime is 1244023219. The next prime is 1244023243. The reversal of 1244023223 is 3223204421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244023223 - 2² = 1244023219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244023243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622011611 + 622011612.

It is an arithmetic number, because the mean of its divisors is an integer number (622011612).

Almost surely, 2^1244023223 is an apocalyptic number.

1244023223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244023223 is an equidigital number, since it uses as much as digits as its factorization.

1244023223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1244023223 is about 35270.7133894397. The cubic root of 1244023223 is about 1075.4977245930.

Adding to 1244023223 its reverse (3223204421), we get a palindrome (4467227644).

The spelling of 1244023223 in words is "one billion, two hundred forty-four million, twenty-three thousand, two hundred twenty-three".