142842723 has 8 divisors (see below), whose sum is σ = 190525008. Its totient is φ = 95194464.

The previous prime is 142842659. The next prime is 142842743. The reversal of 142842723 is 327248241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142842723 - 2⁶ = 142842659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142842743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (23815626).

Almost surely, 2^142842723 is an apocalyptic number.

142842723 is a deficient number, since it is larger than the sum of its proper divisors (47682285).

142842723 is a wasteful number, since it uses less digits than its factorization.

142842723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013.

The product of its digits is 21504, while the sum is 33.

The square root of 142842723 is about 11951.6828522179. The cubic root of 142842723 is about 522.7403690943.

The spelling of 142842723 in words is "one hundred forty-two million, eight hundred forty-two thousand, seven hundred twenty-three".