142320000443 has 4 divisors (see below), whose sum is σ = 145791220008. Its totient is φ = 138848780880.

The previous prime is 142320000439. The next prime is 142320000451. The reversal of 142320000443 is 344000023241.

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 142320000443 - 2² = 142320000439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142320000743) 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, 1735609721 + ... + 1735609802.

It is an arithmetic number, because the mean of its divisors is an integer number (36447805002).

Almost surely, 2^142320000443 is an apocalyptic number.

142320000443 is a deficient number, since it is larger than the sum of its proper divisors (3471219565).

142320000443 is an equidigital number, since it uses as much as digits as its factorization.

142320000443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471219564.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 142320000443 its reverse (344000023241), we get a palindrome (486320023684).

The spelling of 142320000443 in words is "one hundred forty-two billion, three hundred twenty million, four hundred forty-three", and thus it is an aban number.