142423 has 4 divisors (see below), whose sum is σ = 144448. Its totient is φ = 140400.

The previous prime is 142421. The next prime is 142427. The reversal of 142423 is 324241.

142423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324241 = 17 ⋅19073.

It is a cyclic number.

It is not a de Polignac number, because 142423 - 2¹ = 142421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142397 and 142406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421) 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, 903 + ... + 1048.

It is an arithmetic number, because the mean of its divisors is an integer number (36112).

2¹⁴²⁴²³ is an apocalyptic number.

142423 is a deficient number, since it is larger than the sum of its proper divisors (2025).

142423 is an equidigital number, since it uses as much as digits as its factorization.

142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its digits is 192, while the sum is 16.

The square root of 142423 is about 377.3897189909. The cubic root of 142423 is about 52.2227867417. Note that the first 3 decimals are identical.

Adding to 142423 its reverse (324241), we get a palindrome (466664).

It can be divided in two parts, 142 and 423, that added together give a palindrome (565).

The spelling of 142423 in words is "one hundred forty-two thousand, four hundred twenty-three", and thus it is an iban number.