142004522323 has 4 divisors (see below), whose sum is σ = 142007900760. Its totient is φ = 142001143888.

The previous prime is 142004522273. The next prime is 142004522339. The reversal of 142004522323 is 323225400241.

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 142004522323 - 2¹³ = 142004514131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142004522291 and 142004522300.

It is not an unprimeable number, because it can be changed into a prime (142004522353) 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, 1625365 + ... + 1710502.

It is an arithmetic number, because the mean of its divisors is an integer number (35501975190).

Almost surely, 2^142004522323 is an apocalyptic number.

142004522323 is a deficient number, since it is larger than the sum of its proper divisors (3378437).

142004522323 is an equidigital number, since it uses as much as digits as its factorization.

142004522323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378436.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 142004522323 its reverse (323225400241), we get a palindrome (465229922564).

The spelling of 142004522323 in words is "one hundred forty-two billion, four million, five hundred twenty-two thousand, three hundred twenty-three".