1144242304123 has 4 divisors (see below), whose sum is σ = 1175167771840. Its totient is φ = 1113316836408.

The previous prime is 1144242304091. The next prime is 1144242304141. The reversal of 1144242304123 is 3214032424411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144242304123 - 2⁵ = 1144242304091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144245304123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15462733803 + ... + 15462733876.

It is an arithmetic number, because the mean of its divisors is an integer number (293791942960).

Almost surely, 2^{1144242304123} is an apocalyptic number.

1144242304123 is a deficient number, since it is larger than the sum of its proper divisors (30925467717).

1144242304123 is an equidigital number, since it uses as much as digits as its factorization.

1144242304123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30925467716.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1144242304123 its reverse (3214032424411), we get a palindrome (4358274728534).

The spelling of 1144242304123 in words is "one trillion, one hundred forty-four billion, two hundred forty-two million, three hundred four thousand, one hundred twenty-three".