423412203 has 4 divisors (see below), whose sum is σ = 564549608. Its totient is φ = 282274800.

The previous prime is 423412193. The next prime is 423412219. The reversal of 423412203 is 302214324.

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

It is not a de Polignac number, because 423412203 - 2¹⁰ = 423411179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423412203.

It is not an unprimeable number, because it can be changed into a prime (423412273) 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, 70568698 + ... + 70568703.

It is an arithmetic number, because the mean of its divisors is an integer number (141137402).

Almost surely, 2^423412203 is an apocalyptic number.

423412203 is a deficient number, since it is larger than the sum of its proper divisors (141137405).

423412203 is a wasteful number, since it uses less digits than its factorization.

423412203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141137404.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423412203 is about 20576.9823589369. The cubic root of 423412203 is about 750.9098309417.

Adding to 423412203 its reverse (302214324), we get a palindrome (725626527).

It can be divided in two parts, 42341 and 2203, that added together give a palindrome (44544).

The spelling of 423412203 in words is "four hundred twenty-three million, four hundred twelve thousand, two hundred three".