142321023144134 has 4 divisors (see below), whose sum is σ = 213481534716204. Its totient is φ = 71160511572066.

The previous prime is 142321023144121. The next prime is 142321023144143. The reversal of 142321023144134 is 431441320123241.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 142321023144094 and 142321023144103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35580255786032 + ... + 35580255786035.

It is an arithmetic number, because the mean of its divisors is an integer number (53370383679051).

Almost surely, 2^{142321023144134} is an apocalyptic number.

142321023144134 is a deficient number, since it is larger than the sum of its proper divisors (71160511572070).

142321023144134 is an equidigital number, since it uses as much as digits as its factorization.

142321023144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71160511572069.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 142321023144134 its reverse (431441320123241), we get a palindrome (573762343267375).

The spelling of 142321023144134 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-three million, one hundred forty-four thousand, one hundred thirty-four".