423143043 has 16 divisors (see below), whose sum is σ = 577856160. Its totient is φ = 275318784.

The previous prime is 423143033. The next prime is 423143051. The reversal of 423143043 is 340341324.

It is not a de Polignac number, because 423143043 - 2¹⁶ = 423077507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423143033) 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, 23793 + ... + 37581.

It is an arithmetic number, because the mean of its divisors is an integer number (36116010).

Almost surely, 2^423143043 is an apocalyptic number.

423143043 is a deficient number, since it is larger than the sum of its proper divisors (154713117).

423143043 is a wasteful number, since it uses less digits than its factorization.

423143043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423143043 is about 20570.4410015926. The cubic root of 423143043 is about 750.7506812750.

Adding to 423143043 its reverse (340341324), we get a palindrome (763484367).

It can be divided in two parts, 4231 and 43043, that added together give a palindrome (47274).

The spelling of 423143043 in words is "four hundred twenty-three million, one hundred forty-three thousand, forty-three".