142320703 has 8 divisors (see below), whose sum is σ = 162734240. Its totient is φ = 121927680.

The previous prime is 142320691. The next prime is 142320733. The reversal of 142320703 is 307023241.

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

It is a de Polignac number, because none of the positive numbers 2^k-142320703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142320733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15043 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (20341780).

Almost surely, 2^142320703 is an apocalyptic number.

142320703 is a deficient number, since it is larger than the sum of its proper divisors (20413537).

142320703 is an equidigital number, since it uses as much as digits as its factorization.

142320703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 142320703 is about 11929.8240976135. The cubic root of 142320703 is about 522.1028053610.

Adding to 142320703 its reverse (307023241), we get a palindrome (449343944).

The spelling of 142320703 in words is "one hundred forty-two million, three hundred twenty thousand, seven hundred three".