1144012423 has 2 divisors, whose sum is σ = 1144012424. Its totient is φ = 1144012422.

The previous prime is 1144012417. The next prime is 1144012481. The reversal of 1144012423 is 3242104411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144012423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144012394 and 1144012403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572006211 + 572006212.

It is an arithmetic number, because the mean of its divisors is an integer number (572006212).

Almost surely, 2^1144012423 is an apocalyptic number.

1144012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144012423 is an equidigital number, since it uses as much as digits as its factorization.

1144012423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1144012423 is about 33823.2526969243. The cubic root of 1144012423 is about 1045.8680921103.

Adding to 1144012423 its reverse (3242104411), we get a palindrome (4386116834).

The spelling of 1144012423 in words is "one billion, one hundred forty-four million, twelve thousand, four hundred twenty-three".