1142412423243 has 256 divisors, whose sum is σ = 2114174877696. Its totient is φ = 531544965120.

The previous prime is 1142412423221. The next prime is 1142412423253. The reversal of 1142412423243 is 3423242142411.

It is not a de Polignac number, because 1142412423243 - 2⁹ = 1142412422731 is a prime.

It is a super-2 number, since 2×1142412423243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142412423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1687462621 + ... + 1687463297.

It is an arithmetic number, because the mean of its divisors is an integer number (8258495616).

Almost surely, 2^{1142412423243} is an apocalyptic number.

1142412423243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142412423243 is a deficient number, since it is larger than the sum of its proper divisors (971762454453).

1142412423243 is a wasteful number, since it uses less digits than its factorization.

1142412423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102.

The product of its digits is 36864, while the sum is 33.

Adding to 1142412423243 its reverse (3423242142411), we get a palindrome (4565654565654).

The spelling of 1142412423243 in words is "one trillion, one hundred forty-two billion, four hundred twelve million, four hundred twenty-three thousand, two hundred forty-three".