142320213234 has 24 divisors (see below), whose sum is σ = 321767439552. Its totient is φ = 45377459160.

The previous prime is 142320213179. The next prime is 142320213239. The reversal of 142320213234 is 432312023241.

142320213234 is a `hidden beast` number, since 1 + 423 + 2 + 0 + 2 + 1 + 3 + 234 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142320213198 and 142320213207.

It is not an unprimeable number, because it can be changed into a prime (142320213239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171883902 + ... + 171884729.

It is an arithmetic number, because the mean of its divisors is an integer number (13406976648).

Almost surely, 2^142320213234 is an apocalyptic number.

142320213234 is an abundant number, since it is smaller than the sum of its proper divisors (179447226318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142320213234 is a wasteful number, since it uses less digits than its factorization.

142320213234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343768662 (or 343768659 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 142320213234 its reverse (432312023241), we get a palindrome (574632236475).

The spelling of 142320213234 in words is "one hundred forty-two billion, three hundred twenty million, two hundred thirteen thousand, two hundred thirty-four".