232431143 has 8 divisors (see below), whose sum is σ = 274795680. Its totient is φ = 192356640.

The previous prime is 232431131. The next prime is 232431163. The reversal of 232431143 is 341134232.

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

It is not a de Polignac number, because 232431143 - 2⁴ = 232431127 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 (232431103) 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, 572288 + ... + 572693.

It is an arithmetic number, because the mean of its divisors is an integer number (34349460).

Almost surely, 2^232431143 is an apocalyptic number.

232431143 is a deficient number, since it is larger than the sum of its proper divisors (42364537).

232431143 is a wasteful number, since it uses less digits than its factorization.

232431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145017.

The product of its digits is 1728, while the sum is 23.

The square root of 232431143 is about 15245.6926047982. The cubic root of 232431143 is about 614.8437640452.

Adding to 232431143 its reverse (341134232), we get a palindrome (573565375).

The spelling of 232431143 in words is "two hundred thirty-two million, four hundred thirty-one thousand, one hundred forty-three".