423203143 has 8 divisors (see below), whose sum is σ = 466436880. Its totient is φ = 380762880.

The previous prime is 423203129. The next prime is 423203161. The reversal of 423203143 is 341302324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423203143 - 2⁵ = 423203111 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 (423203113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197248 + ... + 199381.

It is an arithmetic number, because the mean of its divisors is an integer number (58304610).

Almost surely, 2^423203143 is an apocalyptic number.

423203143 is a deficient number, since it is larger than the sum of its proper divisors (43233737).

423203143 is a wasteful number, since it uses less digits than its factorization.

423203143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396737.

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

The square root of 423203143 is about 20571.9017837438. The cubic root of 423203143 is about 750.7862232198.

Adding to 423203143 its reverse (341302324), we get a palindrome (764505467).

The spelling of 423203143 in words is "four hundred twenty-three million, two hundred three thousand, one hundred forty-three".