142423035423 has 4 divisors (see below), whose sum is σ = 189897380568. Its totient is φ = 94948690280.

The previous prime is 142423035409. The next prime is 142423035439. The reversal of 142423035423 is 324530324241.

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 142423035423 - 2²⁴ = 142406258207 is a prime.

It is a super-2 number, since 2×142423035423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142423031423) 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, 23737172568 + ... + 23737172573.

It is an arithmetic number, because the mean of its divisors is an integer number (47474345142).

Almost surely, 2^142423035423 is an apocalyptic number.

142423035423 is a deficient number, since it is larger than the sum of its proper divisors (47474345145).

142423035423 is an equidigital number, since it uses as much as digits as its factorization.

142423035423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47474345144.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 142423035423 its reverse (324530324241), we get a palindrome (466953359664).

The spelling of 142423035423 in words is "one hundred forty-two billion, four hundred twenty-three million, thirty-five thousand, four hundred twenty-three".