142044323 has 4 divisors (see below), whose sum is σ = 149520360. Its totient is φ = 134568288.

The previous prime is 142044317. The next prime is 142044373. The reversal of 142044323 is 323440241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323440241 = 3727 ⋅86783.

It is a cyclic number.

It is not a de Polignac number, because 142044323 - 2⁴ = 142044307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142044373) 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, 3737990 + ... + 3738027.

It is an arithmetic number, because the mean of its divisors is an integer number (37380090).

Almost surely, 2^142044323 is an apocalyptic number.

142044323 is a deficient number, since it is larger than the sum of its proper divisors (7476037).

142044323 is an equidigital number, since it uses as much as digits as its factorization.

142044323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476036.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142044323 is about 11918.2348944800. The cubic root of 142044323 is about 521.7646201255.

Adding to 142044323 its reverse (323440241), we get a palindrome (465484564).

The spelling of 142044323 in words is "one hundred forty-two million, forty-four thousand, three hundred twenty-three".