230120143 has 16 divisors (see below), whose sum is σ = 269789184. Its totient is φ = 193944960.

The previous prime is 230120141. The next prime is 230120147. The reversal of 230120143 is 341021032.

It is a happy number.

It is not a de Polignac number, because 230120143 - 2¹ = 230120141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3346 + ... + 21712.

It is an arithmetic number, because the mean of its divisors is an integer number (16861824).

Almost surely, 2^230120143 is an apocalyptic number.

230120143 is a deficient number, since it is larger than the sum of its proper divisors (39669041).

230120143 is a wasteful number, since it uses less digits than its factorization.

230120143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230120143 is about 15169.7113683814. The cubic root of 230120143 is about 612.7992311601.

Adding to 230120143 its reverse (341021032), we get a palindrome (571141175).

The spelling of 230120143 in words is "two hundred thirty million, one hundred twenty thousand, one hundred forty-three".