1142144111523 has 8 divisors (see below), whose sum is σ = 1523165430528. Its totient is φ = 761276100104.

The previous prime is 1142144111477. The next prime is 1142144111543. The reversal of 1142144111523 is 3251114412411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142144111523 - 2⁸ = 1142144111267 is a prime.

It is a super-2 number, since 2×1142144111523² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142144111543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38309511 + ... + 38339312.

It is an arithmetic number, because the mean of its divisors is an integer number (190395678816).

Almost surely, 2^{1142144111523} is an apocalyptic number.

1142144111523 is a deficient number, since it is larger than the sum of its proper divisors (381021319005).

1142144111523 is an equidigital number, since it uses as much as digits as its factorization.

1142144111523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76653793.

The product of its digits is 3840, while the sum is 30.

Adding to 1142144111523 its reverse (3251114412411), we get a palindrome (4393258523934).

The spelling of 1142144111523 in words is "one trillion, one hundred forty-two billion, one hundred forty-four million, one hundred eleven thousand, five hundred twenty-three".