142400443423 has 8 divisors (see below), whose sum is σ = 162756940448. Its totient is φ = 122047340544.

The previous prime is 142400443411. The next prime is 142400443447. The reversal of 142400443423 is 324344004241.

142400443423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142400443423 - 2⁵ = 142400443391 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 (142400443463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757986 + ... + 927007.

It is an arithmetic number, because the mean of its divisors is an integer number (20344617556).

Almost surely, 2^142400443423 is an apocalyptic number.

142400443423 is a deficient number, since it is larger than the sum of its proper divisors (20356497025).

142400443423 is a wasteful number, since it uses less digits than its factorization.

142400443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697073.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 142400443423 its reverse (324344004241), we get a palindrome (466744447664).

The spelling of 142400443423 in words is "one hundred forty-two billion, four hundred million, four hundred forty-three thousand, four hundred twenty-three".