142220442023 has 8 divisors (see below), whose sum is σ = 155155700880. Its totient is φ = 129286204480.

The previous prime is 142220442019. The next prime is 142220442061. The reversal of 142220442023 is 320244022241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142220442023 - 2² = 142220442019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142220441983 and 142220442001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142220442223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51923 + ... + 535851.

It is an arithmetic number, because the mean of its divisors is an integer number (19394462610).

Almost surely, 2^142220442023 is an apocalyptic number.

142220442023 is a deficient number, since it is larger than the sum of its proper divisors (12935258857).

142220442023 is a wasteful number, since it uses less digits than its factorization.

142220442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510657.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 142220442023 its reverse (320244022241), we get a palindrome (462464464264).

The spelling of 142220442023 in words is "one hundred forty-two billion, two hundred twenty million, four hundred forty-two thousand, twenty-three".