142330004043421 has 4 divisors (see below), whose sum is σ = 142602145543072. Its totient is φ = 142057862543772.

The previous prime is 142330004043407. The next prime is 142330004043457. The reversal of 142330004043421 is 124340400033241.

142330004043421 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142330004043421 - 2³¹ = 142327856559773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330007043421) 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, 136070749041 + ... + 136070750086.

It is an arithmetic number, because the mean of its divisors is an integer number (35650536385768).

Almost surely, 2^{142330004043421} is an apocalyptic number.

It is an amenable number.

142330004043421 is a deficient number, since it is larger than the sum of its proper divisors (272141499651).

142330004043421 is an equidigital number, since it uses as much as digits as its factorization.

142330004043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272141499650.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 142330004043421 its reverse (124340400033241), we get a palindrome (266670404076662).

The spelling of 142330004043421 in words is "one hundred forty-two trillion, three hundred thirty billion, four million, forty-three thousand, four hundred twenty-one".