142313123 has 4 divisors (see below), whose sum is σ = 142370280. Its totient is φ = 142255968.

The previous prime is 142313111. The next prime is 142313131. The reversal of 142313123 is 321313241.

142313123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142313123 - 2²⁰ = 141264547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142313095 and 142313104.

It is not an unprimeable number, because it can be changed into a prime (142313153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24665 + ... + 29882.

It is an arithmetic number, because the mean of its divisors is an integer number (35592570).

Almost surely, 2^142313123 is an apocalyptic number.

142313123 is a deficient number, since it is larger than the sum of its proper divisors (57157).

142313123 is an equidigital number, since it uses as much as digits as its factorization.

142313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57156.

The product of its digits is 432, while the sum is 20.

The square root of 142313123 is about 11929.5064021945. The cubic root of 142313123 is about 522.0935361321.

Adding to 142313123 its reverse (321313241), we get a palindrome (463626364).

The spelling of 142313123 in words is "one hundred forty-two million, three hundred thirteen thousand, one hundred twenty-three".