142020233423 has 4 divisors (see below), whose sum is σ = 142022773368. Its totient is φ = 142017693480.

The previous prime is 142020233393. The next prime is 142020233449. The reversal of 142020233423 is 324332020241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324332020241 = 69653 ⋅4656397.

It is a cyclic number.

It is not a de Polignac number, because 142020233423 - 2¹⁸ = 142019971279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142020233392 and 142020233401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142020233623) 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, 1184168 + ... + 1298573.

It is an arithmetic number, because the mean of its divisors is an integer number (35505693342).

Almost surely, 2^142020233423 is an apocalyptic number.

142020233423 is a deficient number, since it is larger than the sum of its proper divisors (2539945).

142020233423 is an equidigital number, since it uses as much as digits as its factorization.

142020233423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539944.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 142020233423 its reverse (324332020241), we get a palindrome (466352253664).

The spelling of 142020233423 in words is "one hundred forty-two billion, twenty million, two hundred thirty-three thousand, four hundred twenty-three".