142321330234 has 4 divisors (see below), whose sum is σ = 213481995354. Its totient is φ = 71160665116.

The previous prime is 142321330187. The next prime is 142321330259. The reversal of 142321330234 is 432033123241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432033123241 = 131591 ⋅3283151.

It can be written as a sum of positive squares in only one way, i.e., 133044751009 + 9276579225 = 364753^2 + 96315^2 .

It is a super-2 number, since 2×142321330234² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35580332557 + ... + 35580332560.

Almost surely, 2^142321330234 is an apocalyptic number.

142321330234 is a deficient number, since it is larger than the sum of its proper divisors (71160665120).

142321330234 is an equidigital number, since it uses as much as digits as its factorization.

142321330234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71160665119.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 142321330234 its reverse (432033123241), we get a palindrome (574354453475).

The spelling of 142321330234 in words is "one hundred forty-two billion, three hundred twenty-one million, three hundred thirty thousand, two hundred thirty-four".