120143223 has 8 divisors (see below), whose sum is σ = 177990000. Its totient is φ = 80095464.

The previous prime is 120143207. The next prime is 120143239. The reversal of 120143223 is 322341021.

It is an interprime number because it is at equal distance from previous prime (120143207) and next prime (120143239).

It is not a de Polignac number, because 120143223 - 2⁴ = 120143207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120143196 and 120143205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143273) 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 7 ways as a sum of consecutive naturals, for example, 2224848 + ... + 2224901.

It is an arithmetic number, because the mean of its divisors is an integer number (22248750).

Almost surely, 2^120143223 is an apocalyptic number.

120143223 is a deficient number, since it is larger than the sum of its proper divisors (57846777).

120143223 is an equidigital number, since it uses as much as digits as its factorization.

120143223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449758 (or 4449752 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120143223 is about 10960.9864063414. The cubic root of 120143223 is about 493.4385692328.

Adding to 120143223 its reverse (322341021), we get a palindrome (442484244).

The spelling of 120143223 in words is "one hundred twenty million, one hundred forty-three thousand, two hundred twenty-three".