142320144123 has 16 divisors (see below), whose sum is σ = 210880114560. Its totient is φ = 94864140648.

The previous prime is 142320144103. The next prime is 142320144151. The reversal of 142320144123 is 321441023241.

142320144123 is a `hidden beast` number, since 1 + 4 + 232 + 0 + 14 + 412 + 3 = 666.

142320144123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142320144123 - 2⁵ = 142320144091 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 (142320144103) 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, 278565 + ... + 601862.

It is an arithmetic number, because the mean of its divisors is an integer number (13180007160).

Almost surely, 2^142320144123 is an apocalyptic number.

142320144123 is a deficient number, since it is larger than the sum of its proper divisors (68559970437).

142320144123 is an equidigital number, since it uses as much as digits as its factorization.

142320144123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886423 (or 886417 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 142320144123 its reverse (321441023241), we get a palindrome (463761167364).

The spelling of 142320144123 in words is "one hundred forty-two billion, three hundred twenty million, one hundred forty-four thousand, one hundred twenty-three".