1142244323023 has 4 divisors (see below), whose sum is σ = 1152919503720. Its totient is φ = 1131569142328.

The previous prime is 1142244323009. The next prime is 1142244323029. The reversal of 1142244323023 is 3203234422411.

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 1142244323023 - 2⁵ = 1142244322991 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 (1142244323029) 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, 5337590188 + ... + 5337590401.

It is an arithmetic number, because the mean of its divisors is an integer number (288229875930).

Almost surely, 2^{1142244323023} is an apocalyptic number.

1142244323023 is a deficient number, since it is larger than the sum of its proper divisors (10675180697).

1142244323023 is a wasteful number, since it uses less digits than its factorization.

1142244323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675180696.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1142244323023 its reverse (3203234422411), we get a palindrome (4345478745434).

The spelling of 1142244323023 in words is "one trillion, one hundred forty-two billion, two hundred forty-four million, three hundred twenty-three thousand, twenty-three".