143233 has 4 divisors (see below), whose sum is σ = 146608. Its totient is φ = 139860.

The previous prime is 143197. The next prime is 143239. The reversal of 143233 is 332341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332341 = 109 ⋅3049.

It is a cyclic number.

It is not a de Polignac number, because 143233 - 2¹⁷ = 12161 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143239) 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, 1623 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (36652).

2¹⁴³²³³ is an apocalyptic number.

It is an amenable number.

143233 is a deficient number, since it is larger than the sum of its proper divisors (3375).

143233 is an equidigital number, since it uses as much as digits as its factorization.

143233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374.

The product of its digits is 216, while the sum is 16.

The square root of 143233 is about 378.4613586616. The cubic root of 143233 is about 52.3216015823.

Adding to 143233 its reverse (332341), we get a palindrome (475574).

It can be divided in two parts, 1 and 43233, that added together give a palindrome (43234).

The spelling of 143233 in words is "one hundred forty-three thousand, two hundred thirty-three".