142423135211 has 16 divisors (see below), whose sum is σ = 172966182336. Its totient is φ = 114481161216.

The previous prime is 142423135207. The next prime is 142423135213. The reversal of 142423135211 is 112531324241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142423135211 - 2² = 142423135207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142423135213) 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 15 ways as a sum of consecutive naturals, for example, 2127386 + ... + 2193311.

It is an arithmetic number, because the mean of its divisors is an integer number (10810386396).

Almost surely, 2^142423135211 is an apocalyptic number.

142423135211 is a deficient number, since it is larger than the sum of its proper divisors (30543047125).

142423135211 is a wasteful number, since it uses less digits than its factorization.

142423135211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320998.

The product of its digits is 5760, while the sum is 29.

Adding to 142423135211 its reverse (112531324241), we get a palindrome (254954459452).

The spelling of 142423135211 in words is "one hundred forty-two billion, four hundred twenty-three million, one hundred thirty-five thousand, two hundred eleven".