1142124563423 has 4 divisors (see below), whose sum is σ = 1142135799240. Its totient is φ = 1142113327608.

The previous prime is 1142124563311. The next prime is 1142124563497. The reversal of 1142124563423 is 3243654212411.

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 1142124563423 - 2¹⁰ = 1142124562399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142126563423) 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, 5464028 + ... + 5669201.

It is an arithmetic number, because the mean of its divisors is an integer number (285533949810).

Almost surely, 2^{1142124563423} is an apocalyptic number.

1142124563423 is a deficient number, since it is larger than the sum of its proper divisors (11235817).

1142124563423 is a wasteful number, since it uses less digits than its factorization.

1142124563423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235816.

The product of its digits is 138240, while the sum is 38.

Adding to 1142124563423 its reverse (3243654212411), we get a palindrome (4385778775834).

The spelling of 1142124563423 in words is "one trillion, one hundred forty-two billion, one hundred twenty-four million, five hundred sixty-three thousand, four hundred twenty-three".