142243222023 has 48 divisors (see below), whose sum is σ = 243538327552. Its totient is φ = 78286824000.

The previous prime is 142243222021. The next prime is 142243222057. The reversal of 142243222023 is 320222342241.

142243222023 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 432 + 220 + 2 + 3 = 666.

It is not a de Polignac number, because 142243222023 - 2¹ = 142243222021 is a prime.

It is a super-2 number, since 2×142243222023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239493 + ... + 584673.

Almost surely, 2^142243222023 is an apocalyptic number.

142243222023 is a deficient number, since it is larger than the sum of its proper divisors (101295105529).

142243222023 is a wasteful number, since it uses less digits than its factorization.

142243222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345436 (or 345433 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 142243222023 its reverse (320222342241), we get a palindrome (462465564264).

The spelling of 142243222023 in words is "one hundred forty-two billion, two hundred forty-three million, two hundred twenty-two thousand, twenty-three".