120143233 has 16 divisors (see below), whose sum is σ = 148483584. Its totient is φ = 94855680.

The previous prime is 120143207. The next prime is 120143239. The reversal of 120143233 is 332341021.

It is a cyclic number.

It is not a de Polignac number, because 120143233 - 2²¹ = 118046081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120143233.

It is not an unprimeable number, because it can be changed into a prime (120143239) 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 15 ways as a sum of consecutive naturals, for example, 5148 + ... + 16333.

It is an arithmetic number, because the mean of its divisors is an integer number (9280224).

Almost surely, 2^120143233 is an apocalyptic number.

It is an amenable number.

120143233 is a deficient number, since it is larger than the sum of its proper divisors (28340351).

120143233 is a wasteful number, since it uses less digits than its factorization.

120143233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21552.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 120143233 is about 10960.9868625047. The cubic root of 120143233 is about 493.4385829231.

Adding to 120143233 its reverse (332341021), we get a palindrome (452484254).

The spelling of 120143233 in words is "one hundred twenty million, one hundred forty-three thousand, two hundred thirty-three".