1144143140523 has 4 divisors (see below), whose sum is σ = 1525524187368. Its totient is φ = 762762093680.

The previous prime is 1144143140519. The next prime is 1144143140561. The reversal of 1144143140523 is 3250413414411.

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 1144143140523 - 2² = 1144143140519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144143140123) 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, 190690523418 + ... + 190690523423.

It is an arithmetic number, because the mean of its divisors is an integer number (381381046842).

Almost surely, 2^{1144143140523} is an apocalyptic number.

1144143140523 is a deficient number, since it is larger than the sum of its proper divisors (381381046845).

1144143140523 is an equidigital number, since it uses as much as digits as its factorization.

1144143140523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381381046844.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 1144143140523 its reverse (3250413414411), we get a palindrome (4394556554934).

The spelling of 1144143140523 in words is "one trillion, one hundred forty-four billion, one hundred forty-three million, one hundred forty thousand, five hundred twenty-three".