1144211423 has 2 divisors, whose sum is σ = 1144211424. Its totient is φ = 1144211422.

The previous prime is 1144211399. The next prime is 1144211441. The reversal of 1144211423 is 3241124411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144211423 - 2⁶ = 1144211359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144211623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572105711 + 572105712.

It is an arithmetic number, because the mean of its divisors is an integer number (572105712).

Almost surely, 2^1144211423 is an apocalyptic number.

1144211423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144211423 is an equidigital number, since it uses as much as digits as its factorization.

1144211423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 1144211423 is about 33826.1943322036. The cubic root of 1144211423 is about 1045.9287312198.

Adding to 1144211423 its reverse (3241124411), we get a palindrome (4385335834).

The spelling of 1144211423 in words is "one billion, one hundred forty-four million, two hundred eleven thousand, four hundred twenty-three".