142352123 has 12 divisors (see below), whose sum is σ = 153622680. Its totient is φ = 131541120.

The previous prime is 142352107. The next prime is 142352137. The reversal of 142352123 is 321253241.

It is not a de Polignac number, because 142352123 - 2⁴ = 142352107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142352173) 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, 29711 + ... + 34167.

It is an arithmetic number, because the mean of its divisors is an integer number (12801890).

Almost surely, 2^142352123 is an apocalyptic number.

142352123 is a deficient number, since it is larger than the sum of its proper divisors (11270557).

142352123 is an equidigital number, since it uses as much as digits as its factorization.

142352123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558 (or 4517 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 142352123 is about 11931.1408926389. The cubic root of 142352123 is about 522.1412239062.

The spelling of 142352123 in words is "one hundred forty-two million, three hundred fifty-two thousand, one hundred twenty-three".