142605210123 has 16 divisors (see below), whose sum is σ = 211275271200. Its totient is φ = 95066408160.

The previous prime is 142605210113. The next prime is 142605210133. The reversal of 142605210123 is 321012506241.

142605210123 is a `hidden beast` number, since 1 + 42 + 605 + 2 + 1 + 0 + 12 + 3 = 666.

142605210123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142605210113) and next prime (142605210133).

It is not a de Polignac number, because 142605210123 - 2⁸ = 142605209867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142605210113) 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 15 ways as a sum of consecutive naturals, for example, 714213 + ... + 891801.

It is an arithmetic number, because the mean of its divisors is an integer number (13204704450).

Almost surely, 2^142605210123 is an apocalyptic number.

142605210123 is a deficient number, since it is larger than the sum of its proper divisors (68670061077).

142605210123 is a wasteful number, since it uses less digits than its factorization.

142605210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207339 (or 207333 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 142605210123 its reverse (321012506241), we get a palindrome (463617716364).

The spelling of 142605210123 in words is "one hundred forty-two billion, six hundred five million, two hundred ten thousand, one hundred twenty-three".