423344203 has 4 divisors (see below), whose sum is σ = 424851048. Its totient is φ = 421837360.

The previous prime is 423344191. The next prime is 423344219. The reversal of 423344203 is 302443324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423344203 - 2²¹ = 421247051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423344303) 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, 753001 + ... + 753562.

It is an arithmetic number, because the mean of its divisors is an integer number (106212762).

Almost surely, 2^423344203 is an apocalyptic number.

423344203 is a deficient number, since it is larger than the sum of its proper divisors (1506845).

423344203 is a wasteful number, since it uses less digits than its factorization.

423344203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506844.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 423344203 is about 20575.3299609022. The cubic root of 423344203 is about 750.8696300831.

Adding to 423344203 its reverse (302443324), we get a palindrome (725787527).

The spelling of 423344203 in words is "four hundred twenty-three million, three hundred forty-four thousand, two hundred three".