143223043 has 4 divisors (see below), whose sum is σ = 143629128. Its totient is φ = 142816960.

The previous prime is 143223037. The next prime is 143223049. The reversal of 143223043 is 340322341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340322341 = 431 ⋅789611.

It is an interprime number because it is at equal distance from previous prime (143223037) and next prime (143223049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143223043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143223049) 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, 202513 + ... + 203218.

It is an arithmetic number, because the mean of its divisors is an integer number (35907282).

Almost surely, 2^143223043 is an apocalyptic number.

143223043 is a deficient number, since it is larger than the sum of its proper divisors (406085).

143223043 is an equidigital number, since it uses as much as digits as its factorization.

143223043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406084.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 143223043 is about 11967.5830057702. The cubic root of 143223043 is about 523.2038915623.

Adding to 143223043 its reverse (340322341), we get a palindrome (483545384).

The spelling of 143223043 in words is "one hundred forty-three million, two hundred twenty-three thousand, forty-three".